89142942 has 16 divisors (see below), whose sum is σ = 203755392. Its totient is φ = 25469400.

The previous prime is 89142941. The next prime is 89142967. The reversal of 89142942 is 24924198.

It is a self number, because there is not a number n which added to its sum of digits gives 89142942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89142941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061184 + ... + 1061267.

It is an arithmetic number, because the mean of its divisors is an integer number (12734712).

Almost surely, 2^89142942 is an apocalyptic number.

89142942 is an abundant number, since it is smaller than the sum of its proper divisors (114612450).

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

89142942 is a wasteful number, since it uses less digits than its factorization.

89142942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122463.

The product of its digits is 41472, while the sum is 39.

The square root of 89142942 is about 9441.5540034467. The cubic root of 89142942 is about 446.7134077717.

The spelling of 89142942 in words is "eighty-nine million, one hundred forty-two thousand, nine hundred forty-two".