402730086 has 32 divisors (see below), whose sum is σ = 879436800. Its totient is φ = 121934880.

The previous prime is 402730067. The next prime is 402730087. The reversal of 402730086 is 680037204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402730087) 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, 114360 + ... + 117828.

It is an arithmetic number, because the mean of its divisors is an integer number (27482400).

Almost surely, 2^402730086 is an apocalyptic number.

402730086 is an abundant number, since it is smaller than the sum of its proper divisors (476706714).

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

402730086 is a wasteful number, since it uses less digits than its factorization.

402730086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5244.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 402730086 is about 20068.1360868417. The cubic root of 402730086 is about 738.4787875862.

The spelling of 402730086 in words is "four hundred two million, seven hundred thirty thousand, eighty-six".