88235421 has 4 divisors (see below), whose sum is σ = 117647232. Its totient is φ = 58823612.

The previous prime is 88235377. The next prime is 88235431. The reversal of 88235421 is 12453288.

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 88235421 - 2⁷ = 88235293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88235431) 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, 14705901 + ... + 14705906.

It is an arithmetic number, because the mean of its divisors is an integer number (29411808).

Almost surely, 2^88235421 is an apocalyptic number.

It is an amenable number.

88235421 is a deficient number, since it is larger than the sum of its proper divisors (29411811).

88235421 is a wasteful number, since it uses less digits than its factorization.

88235421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29411810.

The product of its digits is 15360, while the sum is 33.

The square root of 88235421 is about 9393.3711201038. The cubic root of 88235421 is about 445.1923100961.

The spelling of 88235421 in words is "eighty-eight million, two hundred thirty-five thousand, four hundred twenty-one".