378863892 has 60 divisors (see below), whose sum is σ = 1080473856. Its totient is φ = 114806160.

The previous prime is 378863879. The next prime is 378863909. The reversal of 378863892 is 298368873.

It is a super-2 number, since 2×378863892² = 287075697322775328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49588 + ... + 56715.

Almost surely, 2^378863892 is an apocalyptic number.

It is an amenable number.

378863892 is an abundant number, since it is smaller than the sum of its proper divisors (701609964).

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

378863892 is a wasteful number, since it uses less digits than its factorization.

378863892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106330 (or 106319 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 378863892 is about 19464.4263208552. The cubic root of 378863892 is about 723.5930809632.

The spelling of 378863892 in words is "three hundred seventy-eight million, eight hundred sixty-three thousand, eight hundred ninety-two".