23890646 has 16 divisors (see below), whose sum is σ = 39838848. Its totient is φ = 10670400.

The previous prime is 23890631. The next prime is 23890649. The reversal of 23890646 is 64609832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23890649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14015 + ... + 15626.

It is an arithmetic number, because the mean of its divisors is an integer number (2489928).

Almost surely, 2^23890646 is an apocalyptic number.

23890646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23890646 is a deficient number, since it is larger than the sum of its proper divisors (15948202).

23890646 is a wasteful number, since it uses less digits than its factorization.

23890646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29687.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 23890646 is about 4887.8058472079. The cubic root of 23890646 is about 288.0111476523.

The spelling of 23890646 in words is "twenty-three million, eight hundred ninety thousand, six hundred forty-six".