23802890 has 32 divisors (see below), whose sum is σ = 45696960. Its totient is φ = 8895744.

The previous prime is 23802869. The next prime is 23802913. The reversal of 23802890 is 9820832.

It is a happy number.

It is a Curzon number.

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, 27281 + ... + 28139.

It is an arithmetic number, because the mean of its divisors is an integer number (1428030).

Almost surely, 2^23802890 is an apocalyptic number.

23802890 is a deficient number, since it is larger than the sum of its proper divisors (21894070).

23802890 is a wasteful number, since it uses less digits than its factorization.

23802890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 23802890 is about 4878.8205541914. The cubic root of 23802890 is about 287.6580706051.

The spelling of 23802890 in words is "twenty-three million, eight hundred two thousand, eight hundred ninety".