338428464 has 40 divisors (see below), whose sum is σ = 953754432. Its totient is φ = 102553920.

The previous prime is 338428451. The next prime is 338428483. The reversal of 338428464 is 464824833.

It is a super-2 number, since 2×338428464² = 229067650490798592, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319954 + ... + 321009.

Almost surely, 2^338428464 is an apocalyptic number.

It is an amenable number.

338428464 is an abundant number, since it is smaller than the sum of its proper divisors (615325968).

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

338428464 is a wasteful number, since it uses less digits than its factorization.

338428464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640985 (or 640979 counting only the distinct ones).

The product of its digits is 442368, while the sum is 42.

The square root of 338428464 is about 18396.4253049336. The cubic root of 338428464 is about 696.8761920495.

The spelling of 338428464 in words is "three hundred thirty-eight million, four hundred twenty-eight thousand, four hundred sixty-four".