334648990 has 16 divisors (see below), whose sum is σ = 648704448. Its totient is φ = 123562656.

The previous prime is 334648939. The next prime is 334648991. The reversal of 334648990 is 99846433.

It is a super-2 number, since 2×334648990² = 223979893016040200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 334648990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334648991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1286982 + ... + 1287241.

It is an arithmetic number, because the mean of its divisors is an integer number (40544028).

Almost surely, 2^334648990 is an apocalyptic number.

334648990 is a deficient number, since it is larger than the sum of its proper divisors (314055458).

334648990 is a wasteful number, since it uses less digits than its factorization.

334648990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574243.

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 334648990 is about 18293.4138421455. The cubic root of 334648990 is about 694.2723021830.

The spelling of 334648990 in words is "three hundred thirty-four million, six hundred forty-eight thousand, nine hundred ninety".