609398802 has 36 divisors (see below), whose sum is σ = 1371107166. Its totient is φ = 203128560.

The previous prime is 609398791. The next prime is 609398807. The reversal of 609398802 is 208893906.

609398802 is a `hidden beast` number, since 609 + 39 + 8 + 8 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 586559961 + 22838841 = 24219^2 + 4779^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (609398807) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10099 + ... + 36342.

Almost surely, 2^609398802 is an apocalyptic number.

609398802 is an abundant number, since it is smaller than the sum of its proper divisors (761708364).

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

609398802 is an frugal number, since it uses more digits than its factorization.

609398802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46467 (or 46446 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 609398802 is about 24686.0041724051. The cubic root of 609398802 is about 847.8138989161.

The spelling of 609398802 in words is "six hundred nine million, three hundred ninety-eight thousand, eight hundred two".