88293421 has 4 divisors (see below), whose sum is σ = 88313692. Its totient is φ = 88273152.

The previous prime is 88293409. The next prime is 88293431. The reversal of 88293421 is 12439288.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68392900 + 19900521 = 8270^2 + 4461^2 .

It is a cyclic number.

It is not a de Polignac number, because 88293421 - 2⁹ = 88292909 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 (88293431) 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, 630 + ... + 13303.

It is an arithmetic number, because the mean of its divisors is an integer number (22078423).

Almost surely, 2^88293421 is an apocalyptic number.

It is an amenable number.

88293421 is a deficient number, since it is larger than the sum of its proper divisors (20271).

88293421 is a wasteful number, since it uses less digits than its factorization.

88293421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20270.

The product of its digits is 27648, while the sum is 37.

The square root of 88293421 is about 9396.4578964629. The cubic root of 88293421 is about 445.2898351719.

The spelling of 88293421 in words is "eighty-eight million, two hundred ninety-three thousand, four hundred twenty-one".