309004696 has 128 divisors (see below), whose sum is σ = 795432960. Its totient is φ = 108633600.

The previous prime is 309004687. The next prime is 309004697. The reversal of 309004696 is 696400903.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309004697) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375966 + ... + 376786.

It is an arithmetic number, because the mean of its divisors is an integer number (6214320).

Almost surely, 2^309004696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 309004696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397716480).

309004696 is an abundant number, since it is smaller than the sum of its proper divisors (486428264).

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

309004696 is a wasteful number, since it uses less digits than its factorization.

309004696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 309004696 is about 17578.5294037926. The cubic root of 309004696 is about 676.0648549520.

The spelling of 309004696 in words is "three hundred nine million, four thousand, six hundred ninety-six".