378458116 has 27 divisors (see below), whose sum is σ = 676700437. Its totient is φ = 185202080.

The previous prime is 378458099. The next prime is 378458117. The reversal of 378458116 is 611854873.

The square root of 378458116 is 19454.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 222308100 + 156150016 = 14910^2 + 12496^2 .

It is a Duffinian number.

Its product of digits (161280) is a multiple of the sum of its prime divisors (210).

It is not an unprimeable number, because it can be changed into a prime (378458117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2762400 + ... + 2762536.

Almost surely, 2^378458116 is an apocalyptic number.

378458116 is the 19454-th square number.

It is an amenable number.

378458116 is a deficient number, since it is larger than the sum of its proper divisors (298242321).

378458116 is an equidigital number, since it uses as much as digits as its factorization.

378458116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 210 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The cubic root of 378458116 is about 723.3346578205.

The spelling of 378458116 in words is "three hundred seventy-eight million, four hundred fifty-eight thousand, one hundred sixteen".