338773990 has 32 divisors (see below), whose sum is σ = 643230720. Its totient is φ = 128109024.

The previous prime is 338773987. The next prime is 338774017. The reversal of 338773990 is 99377833.

It is a super-2 number, since 2×338773990² = 229535632601040200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105387 + ... + 108553.

It is an arithmetic number, because the mean of its divisors is an integer number (20100960).

Almost surely, 2^338773990 is an apocalyptic number.

338773990 is a deficient number, since it is larger than the sum of its proper divisors (304456730).

338773990 is a wasteful number, since it uses less digits than its factorization.

338773990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756.

The product of its (nonzero) digits is 857304, while the sum is 49.

The square root of 338773990 is about 18405.8140270948. The cubic root of 338773990 is about 697.1132750858.

It can be divided in two parts, 3387 and 73990, that added together give a palindrome (77377).

The spelling of 338773990 in words is "three hundred thirty-eight million, seven hundred seventy-three thousand, nine hundred ninety".