88901621 has 4 divisors (see below), whose sum is σ = 88924992. Its totient is φ = 88878252.

The previous prime is 88901591. The next prime is 88901633. The reversal of 88901621 is 12610988.

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 88901621 - 2⁶ = 88901557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88901221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4511 + ... + 14076.

It is an arithmetic number, because the mean of its divisors is an integer number (22231248).

Almost surely, 2^88901621 is an apocalyptic number.

It is an amenable number.

88901621 is a deficient number, since it is larger than the sum of its proper divisors (23371).

88901621 is a wasteful number, since it uses less digits than its factorization.

88901621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23370.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 88901621 is about 9428.7656138012. The cubic root of 88901621 is about 446.3099406076.

The spelling of 88901621 in words is "eighty-eight million, nine hundred one thousand, six hundred twenty-one".