338998490 has 16 divisors (see below), whose sum is σ = 613267200. Its totient is φ = 134917200.

The previous prime is 338998489. The next prime is 338998511. The reversal of 338998490 is 94899833.

It is a super-2 number, since 2×338998490² = 229839952444560200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83186 + ... + 87165.

It is an arithmetic number, because the mean of its divisors is an integer number (38329200).

Almost surely, 2^338998490 is an apocalyptic number.

338998490 is a deficient number, since it is larger than the sum of its proper divisors (274268710).

338998490 is a wasteful number, since it uses less digits than its factorization.

338998490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170557.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 338998490 is about 18411.9116335051. The cubic root of 338998490 is about 697.2672296171.

The spelling of 338998490 in words is "three hundred thirty-eight million, nine hundred ninety-eight thousand, four hundred ninety".