396464530 has 32 divisors (see below), whose sum is σ = 889729920. Its totient is φ = 123573120.

The previous prime is 396464489. The next prime is 396464561. The reversal of 396464530 is 35464693.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 256675 + ... + 258214.

It is an arithmetic number, because the mean of its divisors is an integer number (27804060).

Almost surely, 2^396464530 is an apocalyptic number.

396464530 is an abundant number, since it is smaller than the sum of its proper divisors (493265390).

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

396464530 is a wasteful number, since it uses less digits than its factorization.

396464530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514914.

The product of its (nonzero) digits is 233280, while the sum is 40.

The square root of 396464530 is about 19911.4170766422. The cubic root of 396464530 is about 734.6290753395.

The spelling of 396464530 in words is "three hundred ninety-six million, four hundred sixty-four thousand, five hundred thirty".