338289677 has 4 divisors (see below), whose sum is σ = 369043296. Its totient is φ = 307536060.

The previous prime is 338289667. The next prime is 338289683. The reversal of 338289677 is 776982833.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 338289677 - 2¹² = 338285581 is a prime.

It is a super-2 number, since 2×338289677² = 228879811129528658, 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 (338289607) 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, 15376793 + ... + 15376814.

It is an arithmetic number, because the mean of its divisors is an integer number (92260824).

Almost surely, 2^338289677 is an apocalyptic number.

It is an amenable number.

338289677 is a deficient number, since it is larger than the sum of its proper divisors (30753619).

338289677 is a wasteful number, since it uses less digits than its factorization.

338289677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30753618.

The product of its digits is 3048192, while the sum is 53.

The square root of 338289677 is about 18392.6527994197. The cubic root of 338289677 is about 696.7809177741.

The spelling of 338289677 in words is "three hundred thirty-eight million, two hundred eighty-nine thousand, six hundred seventy-seven".