89764949 has 16 divisors (see below), whose sum is σ = 97608000. Its totient is φ = 82270080.

The previous prime is 89764943. The next prime is 89764979. The reversal of 89764949 is 94946798.

It is a cyclic number.

It is not a de Polignac number, because 89764949 - 2²⁰ = 88716373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89764894 and 89764903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89764943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107867 + ... + 108695.

It is an arithmetic number, because the mean of its divisors is an integer number (6100500).

Almost surely, 2^89764949 is an apocalyptic number.

It is an amenable number.

89764949 is a deficient number, since it is larger than the sum of its proper divisors (7843051).

89764949 is a wasteful number, since it uses less digits than its factorization.

89764949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028.

The product of its digits is 3919104, while the sum is 56.

The square root of 89764949 is about 9474.4366059413. The cubic root of 89764949 is about 447.7500016887.

The spelling of 89764949 in words is "eighty-nine million, seven hundred sixty-four thousand, nine hundred forty-nine".