89654905 has 16 divisors (see below), whose sum is σ = 110741904. Its totient is φ = 69637120.

The previous prime is 89654899. The next prime is 89654927. The reversal of 89654905 is 50945698.

It can be written as a sum of positive squares in 8 ways, for example, as 16842816 + 72812089 = 4104^2 + 8533^2 .

It is a de Polignac number, because none of the positive numbers 2^k-89654905 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46827 + ... + 48703.

It is an arithmetic number, because the mean of its divisors is an integer number (6921369).

Almost surely, 2^89654905 is an apocalyptic number.

It is an amenable number.

89654905 is a deficient number, since it is larger than the sum of its proper divisors (21086999).

89654905 is a wasteful number, since it uses less digits than its factorization.

89654905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 89654905 is about 9468.6274084473. The cubic root of 89654905 is about 447.5669593842.

It can be divided in two parts, 8965490 and 5, that added together give a triangular number (8965495 = T₄₂₃₄).

The spelling of 89654905 in words is "eighty-nine million, six hundred fifty-four thousand, nine hundred five".