402861627 has 32 divisors (see below), whose sum is σ = 683471360. Its totient is φ = 229741920.

The previous prime is 402861623. The next prime is 402861637. The reversal of 402861627 is 726168204.

402861627 is a `hidden beast` number, since 4 + 0 + 28 + 6 + 1 + 627 = 666.

It is not a de Polignac number, because 402861627 - 2² = 402861623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402861591 and 402861600.

It is not an unprimeable number, because it can be changed into a prime (402861623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106053 + ... + 109785.

It is an arithmetic number, because the mean of its divisors is an integer number (21358480).

Almost surely, 2^402861627 is an apocalyptic number.

402861627 is a deficient number, since it is larger than the sum of its proper divisors (280609733).

402861627 is a wasteful number, since it uses less digits than its factorization.

402861627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320 (or 4314 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 402861627 is about 20071.4131789468. The cubic root of 402861627 is about 738.5591802755.

The spelling of 402861627 in words is "four hundred two million, eight hundred sixty-one thousand, six hundred twenty-seven".