89649744 has 40 divisors (see below), whose sum is σ = 231934560. Its totient is φ = 29839488.

The previous prime is 89649731. The next prime is 89649761. The reversal of 89649744 is 44794698.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62022 + ... + 63450.

It is an arithmetic number, because the mean of its divisors is an integer number (5798364).

Almost surely, 2^89649744 is an apocalyptic number.

It is an amenable number.

89649744 is an abundant number, since it is smaller than the sum of its proper divisors (142284816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89649744 is a wasteful number, since it uses less digits than its factorization.

89649744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747 (or 2741 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 89649744 is about 9468.3548729439. The cubic root of 89649744 is about 447.5583711297.

The spelling of 89649744 in words is "eighty-nine million, six hundred forty-nine thousand, seven hundred forty-four".