338812477 has 4 divisors (see below), whose sum is σ = 338853600. Its totient is φ = 338771356.

The previous prime is 338812459. The next prime is 338812493. The reversal of 338812477 is 774218833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 774218833 = 101 ⋅7665533.

It is a cyclic number.

It is not a de Polignac number, because 338812477 - 2⁷ = 338812349 is a prime.

It is a super-2 number, since 2×338812477² = 229587789141751058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338812447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3463 + ... + 26260.

It is an arithmetic number, because the mean of its divisors is an integer number (84713400).

Almost surely, 2^338812477 is an apocalyptic number.

It is an amenable number.

338812477 is a deficient number, since it is larger than the sum of its proper divisors (41123).

338812477 is a wasteful number, since it uses less digits than its factorization.

338812477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41122.

The product of its digits is 225792, while the sum is 43.

The square root of 338812477 is about 18406.8595094329. The cubic root of 338812477 is about 697.1396730024.

The spelling of 338812477 in words is "three hundred thirty-eight million, eight hundred twelve thousand, four hundred seventy-seven".