338902540 has 24 divisors (see below), whose sum is σ = 734654592. Its totient is φ = 131187840.

The previous prime is 338902537. The next prime is 338902583. The reversal of 338902540 is 45209833.

It is a happy number.

It is a super-2 number, since 2×338902540² = 229709863236903200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338902496 and 338902505.

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 7 ways as a sum of consecutive naturals, for example, 272689 + ... + 273928.

It is an arithmetic number, because the mean of its divisors is an integer number (30610608).

Almost surely, 2^338902540 is an apocalyptic number.

It is an amenable number.

338902540 is an abundant number, since it is smaller than the sum of its proper divisors (395752052).

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

338902540 is a wasteful number, since it uses less digits than its factorization.

338902540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546657 (or 546655 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 338902540 is about 18409.3057989703. The cubic root of 338902540 is about 697.2014386616.

The spelling of 338902540 in words is "three hundred thirty-eight million, nine hundred two thousand, five hundred forty".