89839725 has 24 divisors (see below), whose sum is σ = 154996032. Its totient is φ = 45830400.

The previous prime is 89839721. The next prime is 89839727. The reversal of 89839725 is 52793898.

It is not a de Polignac number, because 89839725 - 2² = 89839721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89839721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24316 + ... + 27765.

It is an arithmetic number, because the mean of its divisors is an integer number (6458168).

Almost surely, 2^89839725 is an apocalyptic number.

It is an amenable number.

89839725 is a deficient number, since it is larger than the sum of its proper divisors (65156307).

89839725 is a wasteful number, since it uses less digits than its factorization.

89839725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52117 (or 52112 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 89839725 is about 9478.3819821740. The cubic root of 89839725 is about 447.8742954211.

The spelling of 89839725 in words is "eighty-nine million, eight hundred thirty-nine thousand, seven hundred twenty-five".