402812963 has 16 divisors (see below), whose sum is σ = 464196096. Its totient is φ = 342404160.

The previous prime is 402812959. The next prime is 402813013. The reversal of 402812963 is 369218204.

It is not a de Polignac number, because 402812963 - 2² = 402812959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402812903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800570 + ... + 801072.

It is an arithmetic number, because the mean of its divisors is an integer number (29012256).

Almost surely, 2^402812963 is an apocalyptic number.

402812963 is a deficient number, since it is larger than the sum of its proper divisors (61383133).

402812963 is a wasteful number, since it uses less digits than its factorization.

402812963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 402812963 is about 20070.2008709430. The cubic root of 402812963 is about 738.5294407911.

The spelling of 402812963 in words is "four hundred two million, eight hundred twelve thousand, nine hundred sixty-three".