338544428 has 12 divisors (see below), whose sum is σ = 611564352. Its totient is φ = 163811760.

The previous prime is 338544407. The next prime is 338544457. The reversal of 338544428 is 824445833.

It is a super-2 number, since 2×338544428² = 229224659459694368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364975 + ... + 1365222.

It is an arithmetic number, because the mean of its divisors is an integer number (50963696).

Almost surely, 2^338544428 is an apocalyptic number.

It is an amenable number.

338544428 is a deficient number, since it is larger than the sum of its proper divisors (273019924).

338544428 is a wasteful number, since it uses less digits than its factorization.

338544428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730232 (or 2730230 counting only the distinct ones).

The product of its digits is 368640, while the sum is 41.

The square root of 338544428 is about 18399.5768429603. The cubic root of 338544428 is about 696.9557788562.

The spelling of 338544428 in words is "three hundred thirty-eight million, five hundred forty-four thousand, four hundred twenty-eight".