396918038 has 16 divisors (see below), whose sum is σ = 677742336. Its totient is φ = 172572840.

The previous prime is 396918029. The next prime is 396918043. The reversal of 396918038 is 830819693.

It is a junction number, because it is equal to n+sod(n) for n = 396917983 and 396918001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391706 + ... + 392717.

It is an arithmetic number, because the mean of its divisors is an integer number (42358896).

Almost surely, 2^396918038 is an apocalyptic number.

396918038 is a deficient number, since it is larger than the sum of its proper divisors (280824298).

396918038 is a wasteful number, since it uses less digits than its factorization.

396918038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784459.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 396918038 is about 19922.8019615716. The cubic root of 396918038 is about 734.9090778672.

The spelling of 396918038 in words is "three hundred ninety-six million, nine hundred eighteen thousand, thirty-eight".