336684728 has 32 divisors (see below), whose sum is σ = 676900800. Its totient is φ = 156429312.

The previous prime is 336684727. The next prime is 336684763. The reversal of 336684728 is 827486633.

It is a super-2 number, since 2×336684728² = 226713212136867968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (336684727) 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, 4925 + ... + 26412.

It is an arithmetic number, because the mean of its divisors is an integer number (21153150).

Almost surely, 2^336684728 is an apocalyptic number.

It is an amenable number.

336684728 is an abundant number, since it is smaller than the sum of its proper divisors (340216072).

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

336684728 is a wasteful number, since it uses less digits than its factorization.

336684728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31439 (or 31435 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 47.

The square root of 336684728 is about 18348.9707613261. The cubic root of 336684728 is about 695.6772571105.

The spelling of 336684728 in words is "three hundred thirty-six million, six hundred eighty-four thousand, seven hundred twenty-eight".