338429724 has 12 divisors (see below), whose sum is σ = 789669384. Its totient is φ = 112809904.

The previous prime is 338429717. The next prime is 338429743. The reversal of 338429724 is 427924833.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×338429724² = 229069356173432352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14101227 + ... + 14101250.

It is an arithmetic number, because the mean of its divisors is an integer number (65805782).

Almost surely, 2^338429724 is an apocalyptic number.

It is an amenable number.

338429724 is an abundant number, since it is smaller than the sum of its proper divisors (451239660).

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

338429724 is a wasteful number, since it uses less digits than its factorization.

338429724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28202484 (or 28202482 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 338429724 is about 18396.4595506853. The cubic root of 338429724 is about 696.8770568930.

The spelling of 338429724 in words is "three hundred thirty-eight million, four hundred twenty-nine thousand, seven hundred twenty-four".