338974398 has 48 divisors (see below), whose sum is σ = 866451456. Its totient is φ = 93724560.

The previous prime is 338974397. The next prime is 338974403. The reversal of 338974398 is 893479833.

It is a super-2 number, since 2×338974398² = 229807284998924808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338974393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39486 + ... + 47297.

It is an arithmetic number, because the mean of its divisors is an integer number (18051072).

Almost surely, 2^338974398 is an apocalyptic number.

338974398 is an abundant number, since it is smaller than the sum of its proper divisors (527477058).

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

338974398 is a wasteful number, since it uses less digits than its factorization.

338974398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86829 (or 86826 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 338974398 is about 18411.2573715105. The cubic root of 338974398 is about 697.2507113920.

The spelling of 338974398 in words is "three hundred thirty-eight million, nine hundred seventy-four thousand, three hundred ninety-eight".