89942470 has 16 divisors (see below), whose sum is σ = 167119488. Its totient is φ = 34816320.

The previous prime is 89942459. The next prime is 89942471. The reversal of 89942470 is 7424998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89942471) 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, 144759 + ... + 145378.

It is an arithmetic number, because the mean of its divisors is an integer number (10444968).

Almost surely, 2^89942470 is an apocalyptic number.

89942470 is a deficient number, since it is larger than the sum of its proper divisors (77177018).

89942470 is a wasteful number, since it uses less digits than its factorization.

89942470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290175.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 89942470 is about 9483.8003985744. The cubic root of 89942470 is about 448.0449671860.

The spelling of 89942470 in words is "eighty-nine million, nine hundred forty-two thousand, four hundred seventy".