338722497 has 12 divisors (see below), whose sum is σ = 489447504. Its totient is φ = 225731160.

The previous prime is 338722493. The next prime is 338722513. The reversal of 338722497 is 794227833.

338722497 is a `hidden beast` number, since 338 + 7 + 224 + 97 = 666.

It is not a de Polignac number, because 338722497 - 2² = 338722493 is a prime.

It is a super-2 number, since 2×338722497² = 229465859947830018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338722493) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 27622 + ... + 37952.

It is an arithmetic number, because the mean of its divisors is an integer number (40787292).

Almost surely, 2^338722497 is an apocalyptic number.

It is an amenable number.

338722497 is a deficient number, since it is larger than the sum of its proper divisors (150725007).

338722497 is a wasteful number, since it uses less digits than its factorization.

338722497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13980 (or 13977 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 338722497 is about 18404.4151496319. The cubic root of 338722497 is about 697.0779533336.

The spelling of 338722497 in words is "three hundred thirty-eight million, seven hundred twenty-two thousand, four hundred ninety-seven".