338421392 has 20 divisors (see below), whose sum is σ = 656581116. Its totient is φ = 168981120.

The previous prime is 338421367. The next prime is 338421439. The reversal of 338421392 is 293124833.

It can be written as a sum of positive squares in 2 ways, for example, as 187032976 + 151388416 = 13676^2 + 12304^2 .

It is a super-2 number, since 2×338421392² = 229058077126435328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1859 + ... + 26082.

Almost surely, 2^338421392 is an apocalyptic number.

It is an amenable number.

338421392 is a deficient number, since it is larger than the sum of its proper divisors (318159724).

338421392 is a wasteful number, since it uses less digits than its factorization.

338421392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28706 (or 28700 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 338421392 is about 18396.2330926742. The cubic root of 338421392 is about 696.8713379043.

It can be divided in two parts, 3384 and 21392, that multiplied together give a triangular number (72390528 = T₁₂₀₃₂).

The spelling of 338421392 in words is "three hundred thirty-eight million, four hundred twenty-one thousand, three hundred ninety-two".