338507898 has 16 divisors (see below), whose sum is σ = 688491360. Its totient is φ = 110923376.

The previous prime is 338507891. The next prime is 338507909. The reversal of 338507898 is 898705833.

It is a happy number.

It is a super-2 number, since 2×338507898² = 229175194016756808, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 338507898.

It is not an unprimeable number, because it can be changed into a prime (338507891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477765 + ... + 478472.

It is an arithmetic number, because the mean of its divisors is an integer number (43030710).

Almost surely, 2^338507898 is an apocalyptic number.

338507898 is an abundant number, since it is smaller than the sum of its proper divisors (349983462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

338507898 is a wasteful number, since it uses less digits than its factorization.

338507898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956301.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 338507898 is about 18398.5841303074. The cubic root of 338507898 is about 696.9307100536.

The spelling of 338507898 in words is "three hundred thirty-eight million, five hundred seven thousand, eight hundred ninety-eight".