89478942 has 32 divisors (see below), whose sum is σ = 215289600. Its totient is φ = 24219648.

The previous prime is 89478931. The next prime is 89478943. The reversal of 89478942 is 24987498.

It is a super-2 number, since 2×89478942² = 16012962122878728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89478943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55267 + ... + 56862.

It is an arithmetic number, because the mean of its divisors is an integer number (6727800).

Almost surely, 2^89478942 is an apocalyptic number.

89478942 is an abundant number, since it is smaller than the sum of its proper divisors (125810658).

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

89478942 is a wasteful number, since it uses less digits than its factorization.

89478942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112160.

The product of its digits is 1161216, while the sum is 51.

The square root of 89478942 is about 9459.3309488568. The cubic root of 89478942 is about 447.2739588520.

The spelling of 89478942 in words is "eighty-nine million, four hundred seventy-eight thousand, nine hundred forty-two".