338502090 has 32 divisors (see below), whose sum is σ = 824535360. Its totient is φ = 88919424.

The previous prime is 338502089. The next prime is 338502091. The reversal of 338502090 is 90205833.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (338502089) and next prime (338502091).

It is a super-2 number, since 2×338502090² = 229167329868736200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (338502091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82195 + ... + 86214.

It is an arithmetic number, because the mean of its divisors is an integer number (25766730).

Almost surely, 2^338502090 is an apocalyptic number.

338502090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

338502090 is an abundant number, since it is smaller than the sum of its proper divisors (486033270).

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

338502090 is a wasteful number, since it uses less digits than its factorization.

338502090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168486.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 338502090 is about 18398.4262913979. The cubic root of 338502090 is about 696.9267241331.

The spelling of 338502090 in words is "three hundred thirty-eight million, five hundred two thousand, ninety".