402084650 has 96 divisors (see below), whose sum is σ = 869140800. Its totient is φ = 136857600.

The previous prime is 402084647. The next prime is 402084653. The reversal of 402084650 is 56480204.

It is an interprime number because it is at equal distance from previous prime (402084647) and next prime (402084653).

It is not an unprimeable number, because it can be changed into a prime (402084653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1138874 + ... + 1139226.

It is an arithmetic number, because the mean of its divisors is an integer number (9053550).

Almost surely, 2^402084650 is an apocalyptic number.

402084650 is an abundant number, since it is smaller than the sum of its proper divisors (467056150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402084650 is a wasteful number, since it uses less digits than its factorization.

402084650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 402084650 is about 20052.0485237793. The cubic root of 402084650 is about 738.0840685854.

The spelling of 402084650 in words is "four hundred two million, eighty-four thousand, six hundred fifty".