334308728 has 32 divisors (see below), whose sum is σ = 683197200. Its totient is φ = 152433408.

The previous prime is 334308721. The next prime is 334308763. The reversal of 334308728 is 827803433.

It is a super-2 number, since 2×334308728² = 223524651233955968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 334308691 and 334308700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334308721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10733 + ... + 27996.

Almost surely, 2^334308728 is an apocalyptic number.

It is an amenable number.

334308728 is an abundant number, since it is smaller than the sum of its proper divisors (348888472).

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

334308728 is a wasteful number, since it uses less digits than its factorization.

334308728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38831 (or 38827 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 334308728 is about 18284.1113538504. Note that the first 3 decimals coincide. The cubic root of 334308728 is about 694.0369166497.

The spelling of 334308728 in words is "three hundred thirty-four million, three hundred eight thousand, seven hundred twenty-eight".