89047942 has 4 divisors (see below), whose sum is σ = 133571916. Its totient is φ = 44523970.

The previous prime is 89047879. The next prime is 89047943. The reversal of 89047942 is 24974098.

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 (89047943) 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 as a sum of consecutive naturals, namely, 22261984 + ... + 22261987.

It is an arithmetic number, because the mean of its divisors is an integer number (33392979).

Almost surely, 2^89047942 is an apocalyptic number.

89047942 is a deficient number, since it is larger than the sum of its proper divisors (44523974).

89047942 is a wasteful number, since it uses less digits than its factorization.

89047942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44523973.

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

The square root of 89047942 is about 9436.5217108848. The cubic root of 89047942 is about 446.5546632613.

The spelling of 89047942 in words is "eighty-nine million, forty-seven thousand, nine hundred forty-two".