309229364 has 12 divisors (see below), whose sum is σ = 541548000. Its totient is φ = 154501368.

The previous prime is 309229363. The next prime is 309229373. The reversal of 309229364 is 463922903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309229363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22034 + ... + 33225.

It is an arithmetic number, because the mean of its divisors is an integer number (45129000).

Almost surely, 2^309229364 is an apocalyptic number.

It is an amenable number.

309229364 is a deficient number, since it is larger than the sum of its proper divisors (232318636).

309229364 is a wasteful number, since it uses less digits than its factorization.

309229364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56662 (or 56660 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 309229364 is about 17584.9186520723. The cubic root of 309229364 is about 676.2286640506.

The spelling of 309229364 in words is "three hundred nine million, two hundred twenty-nine thousand, three hundred sixty-four".