89663942 has 4 divisors (see below), whose sum is σ = 134495916. Its totient is φ = 44831970.

The previous prime is 89663941. The next prime is 89663993. The reversal of 89663942 is 24936698.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89663941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22415984 + ... + 22415987.

It is an arithmetic number, because the mean of its divisors is an integer number (33623979).

Almost surely, 2^89663942 is an apocalyptic number.

89663942 is a deficient number, since it is larger than the sum of its proper divisors (44831974).

89663942 is a wasteful number, since it uses less digits than its factorization.

89663942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44831973.

The product of its digits is 559872, while the sum is 47.

The square root of 89663942 is about 9469.1046039211. The cubic root of 89663942 is about 447.5819967720.

The spelling of 89663942 in words is "eighty-nine million, six hundred sixty-three thousand, nine hundred forty-two".