402916492 has 24 divisors (see below), whose sum is σ = 779747472. Its totient is φ = 180633600.

The previous prime is 402916483. The next prime is 402916499. The reversal of 402916492 is 294619204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (402916499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59509 + ... + 65932.

It is an arithmetic number, because the mean of its divisors is an integer number (32489478).

Almost surely, 2^402916492 is an apocalyptic number.

It is an amenable number.

402916492 is a deficient number, since it is larger than the sum of its proper divisors (376830980).

402916492 is a wasteful number, since it uses less digits than its factorization.

402916492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125529 (or 125527 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 402916492 is about 20072.7798772367. The cubic root of 402916492 is about 738.5927064355.

The spelling of 402916492 in words is "four hundred two million, nine hundred sixteen thousand, four hundred ninety-two".