338746890 has 16 divisors (see below), whose sum is σ = 812992608. Its totient is φ = 90332496.

The previous prime is 338746873. The next prime is 338746897. The reversal of 338746890 is 98647833.

It is a super-2 number, since 2×338746890² = 229498910969344200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338746897) 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, 5645752 + ... + 5645811.

It is an arithmetic number, because the mean of its divisors is an integer number (50812038).

Almost surely, 2^338746890 is an apocalyptic number.

338746890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

338746890 is an abundant number, since it is smaller than the sum of its proper divisors (474245718).

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

338746890 is a wasteful number, since it uses less digits than its factorization.

338746890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11291573.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 338746890 is about 18405.0778319463. The cubic root of 338746890 is about 697.0946862192.

The spelling of 338746890 in words is "three hundred thirty-eight million, seven hundred forty-six thousand, eight hundred ninety".