378052392 has 64 divisors (see below), whose sum is σ = 1019666880. Its totient is φ = 116360192.

The previous prime is 378052379. The next prime is 378052463. The reversal of 378052392 is 293250873.

It is a super-2 number, since 2×378052392² = 285847222193843328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 378052392.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12883 + ... + 30365.

It is an arithmetic number, because the mean of its divisors is an integer number (15932295).

Almost surely, 2^378052392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378052392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509833440).

378052392 is an abundant number, since it is smaller than the sum of its proper divisors (641614488).

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

378052392 is a wasteful number, since it uses less digits than its factorization.

378052392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17562 (or 17558 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 378052392 is about 19443.5694253910. The cubic root of 378052392 is about 723.0760830462.

The spelling of 378052392 in words is "three hundred seventy-eight million, fifty-two thousand, three hundred ninety-two".