338947455 has 128 divisors (see below), whose sum is σ = 709171200. Its totient is φ = 136980480.

The previous prime is 338947429. The next prime is 338947463. The reversal of 338947455 is 554749833.

It is not a de Polignac number, because 338947455 - 2⁹ = 338946943 is a prime.

It is a super-2 number, since 2×338947455² = 229770754501954050, which contains 22 as substring.

Its product of digits (1814400) is a multiple of the sum of its prime divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2999479 + ... + 2999591.

It is an arithmetic number, because the mean of its divisors is an integer number (5540400).

Almost surely, 2^338947455 is an apocalyptic number.

338947455 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

338947455 is an abundant number, since it is smaller than the sum of its proper divisors (370223745).

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

338947455 is a wasteful number, since it uses less digits than its factorization.

338947455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 192 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The square root of 338947455 is about 18410.5256578947. The cubic root of 338947455 is about 697.2322375055.

The spelling of 338947455 in words is "three hundred thirty-eight million, nine hundred forty-seven thousand, four hundred fifty-five".