338656432 has 80 divisors (see below), whose sum is σ = 708704640. Its totient is φ = 156455936.

The previous prime is 338656429. The next prime is 338656441. The reversal of 338656432 is 234656833.

It is a happy number.

It is a super-2 number, since 2×338656432² = 229376357869941248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1155678 + ... + 1155970.

It is an arithmetic number, because the mean of its divisors is an integer number (8858808).

Almost surely, 2^338656432 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 338656432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354352320).

338656432 is an abundant number, since it is smaller than the sum of its proper divisors (370048208).

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

338656432 is a wasteful number, since it uses less digits than its factorization.

338656432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 424 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The square root of 338656432 is about 18402.6202482147. The cubic root of 338656432 is about 697.0326306385.

The spelling of 338656432 in words is "three hundred thirty-eight million, six hundred fifty-six thousand, four hundred thirty-two".