88923821 has 8 divisors (see below), whose sum is σ = 107605440. Its totient is φ = 71736768.

The previous prime is 88923803. The next prime is 88923829. The reversal of 88923821 is 12832988.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88923821 - 2²² = 84729517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88923829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373511 + ... + 373748.

It is an arithmetic number, because the mean of its divisors is an integer number (13450680).

Almost surely, 2^88923821 is an apocalyptic number.

It is an amenable number.

88923821 is a deficient number, since it is larger than the sum of its proper divisors (18681619).

88923821 is a wasteful number, since it uses less digits than its factorization.

88923821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747283.

The product of its digits is 55296, while the sum is 41.

The square root of 88923821 is about 9429.9427887978. The cubic root of 88923821 is about 446.3470874970.

The spelling of 88923821 in words is "eighty-eight million, nine hundred twenty-three thousand, eight hundred twenty-one".