89869739 has 4 divisors (see below), whose sum is σ = 89953056. Its totient is φ = 89786424.

The previous prime is 89869733. The next prime is 89869757. The reversal of 89869739 is 93796898.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89869739 - 2⁴ = 89869723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89869733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40019 + ... + 42204.

It is an arithmetic number, because the mean of its divisors is an integer number (22488264).

Almost surely, 2^89869739 is an apocalyptic number.

89869739 is a deficient number, since it is larger than the sum of its proper divisors (83317).

89869739 is a wasteful number, since it uses less digits than its factorization.

89869739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83316.

The product of its digits is 5878656, while the sum is 59.

The square root of 89869739 is about 9479.9651370667. The cubic root of 89869739 is about 447.9241657222.

The spelling of 89869739 in words is "eighty-nine million, eight hundred sixty-nine thousand, seven hundred thirty-nine".