89442646 has 4 divisors (see below), whose sum is σ = 134163972. Its totient is φ = 44721322.

The previous prime is 89442631. The next prime is 89442659. The reversal of 89442646 is 64624498.

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

It is a congruent number.

It is an unprimeable number.

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, 22360660 + ... + 22360663.

It is an arithmetic number, because the mean of its divisors is an integer number (33540993).

Almost surely, 2^89442646 is an apocalyptic number.

89442646 is a deficient number, since it is larger than the sum of its proper divisors (44721326).

89442646 is a wasteful number, since it uses less digits than its factorization.

89442646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44721325.

The product of its digits is 331776, while the sum is 43.

The square root of 89442646 is about 9457.4122253394. The cubic root of 89442646 is about 447.2134736666.

The spelling of 89442646 in words is "eighty-nine million, four hundred forty-two thousand, six hundred forty-six".