89493839 has 8 divisors (see below), whose sum is σ = 92435472. Its totient is φ = 86598720.

The previous prime is 89493827. The next prime is 89493841. The reversal of 89493839 is 93839498.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89493839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89493889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7697 + ... + 15434.

It is an arithmetic number, because the mean of its divisors is an integer number (11554434).

Almost surely, 2^89493839 is an apocalyptic number.

89493839 is a deficient number, since it is larger than the sum of its proper divisors (2941633).

89493839 is a wasteful number, since it uses less digits than its factorization.

89493839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23257.

The product of its digits is 1679616, while the sum is 53.

The square root of 89493839 is about 9460.1183396404. The cubic root of 89493839 is about 447.2987791068.

The spelling of 89493839 in words is "eighty-nine million, four hundred ninety-three thousand, eight hundred thirty-nine".