378662992 has 10 divisors (see below), whose sum is σ = 733659578. Its totient is φ = 189331488.

The previous prime is 378662969. The next prime is 378662993. The reversal of 378662992 is 299266873.

It can be written as a sum of positive squares in only one way, i.e., 331822656 + 46840336 = 18216^2 + 6844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378662993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11833203 + ... + 11833234.

Almost surely, 2^378662992 is an apocalyptic number.

It is an amenable number.

378662992 is a deficient number, since it is larger than the sum of its proper divisors (354996586).

378662992 is a wasteful number, since it uses less digits than its factorization.

378662992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23666445 (or 23666439 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 52.

The square root of 378662992 is about 19459.2649398686. The cubic root of 378662992 is about 723.4651585477.

The spelling of 378662992 in words is "three hundred seventy-eight million, six hundred sixty-two thousand, nine hundred ninety-two".