396834525858 has 16 divisors (see below), whose sum is σ = 793950628320. Its totient is φ = 132231245856.

The previous prime is 396834525823. The next prime is 396834525859. The reversal of 396834525858 is 858525438693.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (396834525859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11714035 + ... + 11747862.

It is an arithmetic number, because the mean of its divisors is an integer number (49621914270).

Almost surely, 2^396834525858 is an apocalyptic number.

396834525858 is an abundant number, since it is smaller than the sum of its proper divisors (397116102462).

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

396834525858 is a wasteful number, since it uses less digits than its factorization.

396834525858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23464721.

The product of its digits is 248832000, while the sum is 66.

The spelling of 396834525858 in words is "three hundred ninety-six billion, eight hundred thirty-four million, five hundred twenty-five thousand, eight hundred fifty-eight".