338997550 has 12 divisors (see below), whose sum is σ = 630535536. Its totient is φ = 135599000.

The previous prime is 338997541. The next prime is 338997569. The reversal of 338997550 is 55799833.

It is a super-2 number, since 2×338997550² = 229838677812005000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338997494 and 338997503.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3389926 + ... + 3390025.

It is an arithmetic number, because the mean of its divisors is an integer number (52544628).

Almost surely, 2^338997550 is an apocalyptic number.

338997550 is a deficient number, since it is larger than the sum of its proper divisors (291537986).

338997550 is a wasteful number, since it uses less digits than its factorization.

338997550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6779963 (or 6779958 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 49.

The square root of 338997550 is about 18411.8861065346. The cubic root of 338997550 is about 697.2665851385.

The spelling of 338997550 in words is "three hundred thirty-eight million, nine hundred ninety-seven thousand, five hundred fifty".