396990914 has 4 divisors (see below), whose sum is σ = 595486374. Its totient is φ = 198495456.

The previous prime is 396990911. The next prime is 396990917. The reversal of 396990914 is 419099693.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (396990911) and next prime (396990917).

It can be written as a sum of positive squares in only one way, i.e., 294637225 + 102353689 = 17165^2 + 10117^2 .

It is not an unprimeable number, because it can be changed into a prime (396990911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99247727 + ... + 99247730.

Almost surely, 2^396990914 is an apocalyptic number.

396990914 is a deficient number, since it is larger than the sum of its proper divisors (198495460).

396990914 is a wasteful number, since it uses less digits than its factorization.

396990914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198495459.

The product of its (nonzero) digits is 472392, while the sum is 50.

The square root of 396990914 is about 19924.6308372326. The cubic root of 396990914 is about 734.9540526910.

The spelling of 396990914 in words is "three hundred ninety-six million, nine hundred ninety thousand, nine hundred fourteen".