89662646 has 4 divisors (see below), whose sum is σ = 134493972. Its totient is φ = 44831322.

The previous prime is 89662631. The next prime is 89662663. The reversal of 89662646 is 64626698.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64626698 = 2 ⋅32313349.

It is a self number, because there is not a number n which added to its sum of digits gives 89662646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22415660 + ... + 22415663.

It is an arithmetic number, because the mean of its divisors is an integer number (33623493).

Almost surely, 2^89662646 is an apocalyptic number.

89662646 is a deficient number, since it is larger than the sum of its proper divisors (44831326).

89662646 is a wasteful number, since it uses less digits than its factorization.

89662646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44831325.

The product of its digits is 746496, while the sum is 47.

The square root of 89662646 is about 9469.0361705931. The cubic root of 89662646 is about 447.5798403159.

The spelling of 89662646 in words is "eighty-nine million, six hundred sixty-two thousand, six hundred forty-six".