378873240 has 32 divisors (see below), whose sum is σ = 1136620080. Its totient is φ = 101032832.

The previous prime is 378873239. The next prime is 378873241. The reversal of 378873240 is 42378873.

It is an interprime number because it is at equal distance from previous prime (378873239) and next prime (378873241).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 378873192 and 378873201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378873241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1578519 + ... + 1578758.

Almost surely, 2^378873240 is an apocalyptic number.

378873240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

378873240 is an abundant number, since it is smaller than the sum of its proper divisors (757746840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378873240 is a wasteful number, since it uses less digits than its factorization.

378873240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157291 (or 3157287 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 378873240 is about 19464.6664497494. Note that the first 3 decimals coincide. The cubic root of 378873240 is about 723.5990321703.

It can be divided in two parts, 3788 and 73240, that added together give a triangular number (77028 = T₃₉₂).

The spelling of 378873240 in words is "three hundred seventy-eight million, eight hundred seventy-three thousand, two hundred forty".