378850039 has 4 divisors (see below), whose sum is σ = 391071040. Its totient is φ = 366629040.

The previous prime is 378850037. The next prime is 378850051. The reversal of 378850039 is 930058873.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378850039 - 2¹ = 378850037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378849977 and 378850004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378850037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6110454 + ... + 6110515.

It is an arithmetic number, because the mean of its divisors is an integer number (97767760).

Almost surely, 2^378850039 is an apocalyptic number.

378850039 is a deficient number, since it is larger than the sum of its proper divisors (12221001).

378850039 is a wasteful number, since it uses less digits than its factorization.

378850039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12221000.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 378850039 is about 19464.0704632921. The cubic root of 378850039 is about 723.5842615627.

The spelling of 378850039 in words is "three hundred seventy-eight million, eight hundred fifty thousand, thirty-nine".