23990946 has 32 divisors (see below), whose sum is σ = 56730240. Its totient is φ = 6617856.

The previous prime is 23990921. The next prime is 23990951. The reversal of 23990946 is 64909932.

It is a super-3 number, since 3×23990946³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 23990898 and 23990907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8631 + ... + 11066.

It is an arithmetic number, because the mean of its divisors is an integer number (1772820).

Almost surely, 2^23990946 is an apocalyptic number.

23990946 is an abundant number, since it is smaller than the sum of its proper divisors (32739294).

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

23990946 is a wasteful number, since it uses less digits than its factorization.

23990946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19738.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 23990946 is about 4898.0553283931. The cubic root of 23990946 is about 288.4136369226.

The spelling of 23990946 in words is "twenty-three million, nine hundred ninety thousand, nine hundred forty-six".