612809346 has 16 divisors (see below), whose sum is σ = 1227672000. Its totient is φ = 203927568.

The previous prime is 612809321. The next prime is 612809369. The reversal of 612809346 is 643908216.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81661 + ... + 88848.

It is an arithmetic number, because the mean of its divisors is an integer number (76729500).

Almost surely, 2^612809346 is an apocalyptic number.

612809346 is an abundant number, since it is smaller than the sum of its proper divisors (614862654).

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

612809346 is a wasteful number, since it uses less digits than its factorization.

612809346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171113.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 612809346 is about 24754.9862855951. The cubic root of 612809346 is about 849.3925745613.

The spelling of 612809346 in words is "six hundred twelve million, eight hundred nine thousand, three hundred forty-six".