396169402 has 8 divisors (see below), whose sum is σ = 596283156. Its totient is φ = 197408352.

The previous prime is 396169393. The next prime is 396169427. The reversal of 396169402 is 204961693.

It can be written as a sum of positive squares in 2 ways, for example, as 289646361 + 106523041 = 17019^2 + 10321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337443 + ... + 338614.

Almost surely, 2^396169402 is an apocalyptic number.

396169402 is a deficient number, since it is larger than the sum of its proper divisors (200113754).

396169402 is a wasteful number, since it uses less digits than its factorization.

396169402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676352.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 396169402 is about 19904.0046724271. The cubic root of 396169402 is about 734.4467442496.

The spelling of 396169402 in words is "three hundred ninety-six million, one hundred sixty-nine thousand, four hundred two".