88021395 has 144 divisors (see below), whose sum is σ = 204871680. Its totient is φ = 34473600.

The previous prime is 88021343. The next prime is 88021403. The reversal of 88021395 is 59312088.

It is not a de Polignac number, because 88021395 - 2⁸ = 88021139 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 460750 + ... + 460940.

It is an arithmetic number, because the mean of its divisors is an integer number (1422720).

Almost surely, 2^88021395 is an apocalyptic number.

88021395 is an abundant number, since it is smaller than the sum of its proper divisors (116850285).

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

88021395 is a wasteful number, since it uses less digits than its factorization.

88021395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 88021395 is about 9381.9718076745. The cubic root of 88021395 is about 444.8320622036.

The spelling of 88021395 in words is "eighty-eight million, twenty-one thousand, three hundred ninety-five".