89425431 has 8 divisors (see below), whose sum is σ = 132482160. Its totient is φ = 59616936.

The previous prime is 89425417. The next prime is 89425439. The reversal of 89425431 is 13452498.

It is not a de Polignac number, because 89425431 - 2²² = 85231127 is a prime.

It is a super-2 number, since 2×89425431² = 15993815419071522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89425439) 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, 1656000 + ... + 1656053.

It is an arithmetic number, because the mean of its divisors is an integer number (16560270).

Almost surely, 2^89425431 is an apocalyptic number.

89425431 is a deficient number, since it is larger than the sum of its proper divisors (43056729).

89425431 is a wasteful number, since it uses less digits than its factorization.

89425431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312062 (or 3312056 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 89425431 is about 9456.5020488551. The cubic root of 89425431 is about 447.1847801433.

The spelling of 89425431 in words is "eighty-nine million, four hundred twenty-five thousand, four hundred thirty-one".