338930397 has 48 divisors (see below), whose sum is σ = 551066880. Its totient is φ = 199345536.

The previous prime is 338930381. The next prime is 338930401. The reversal of 338930397 is 793039833.

338930397 is a `hidden beast` number, since 338 + 9 + 303 + 9 + 7 = 666.

It is not a de Polignac number, because 338930397 - 2⁴ = 338930381 is a prime.

It is a super-2 number, since 2×338930397² = 229747628021155218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338930327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 254748 + ... + 256074.

It is an arithmetic number, because the mean of its divisors is an integer number (11480560).

Almost surely, 2^338930397 is an apocalyptic number.

338930397 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

338930397 is a deficient number, since it is larger than the sum of its proper divisors (212136483).

338930397 is a wasteful number, since it uses less digits than its factorization.

338930397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442 (or 1439 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 45.

The square root of 338930397 is about 18410.0623844679. The cubic root of 338930397 is about 697.2205409167.

The spelling of 338930397 in words is "three hundred thirty-eight million, nine hundred thirty thousand, three hundred ninety-seven".