23990469 has 4 divisors (see below), whose sum is σ = 31987296. Its totient is φ = 15993644.

The previous prime is 23990459. The next prime is 23990509. The reversal of 23990469 is 96409932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23990469 - 2⁹ = 23989957 is a prime.

It is a super-2 number, since 2×23990469² = 1151085205679922, 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 23990469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23990419) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3998409 + ... + 3998414.

It is an arithmetic number, because the mean of its divisors is an integer number (7996824).

Almost surely, 2^23990469 is an apocalyptic number.

It is an amenable number.

23990469 is a deficient number, since it is larger than the sum of its proper divisors (7996827).

23990469 is an equidigital number, since it uses as much as digits as its factorization.

23990469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7996826.

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

The square root of 23990469 is about 4898.0066353569. The cubic root of 23990469 is about 288.4117254484.

The spelling of 23990469 in words is "twenty-three million, nine hundred ninety thousand, four hundred sixty-nine".