89867239 has 16 divisors (see below), whose sum is σ = 112317696. Its totient is φ = 69854400.

The previous prime is 89867237. The next prime is 89867249. The reversal of 89867239 is 93276898.

It is not a de Polignac number, because 89867239 - 2¹ = 89867237 is a prime.

It is a super-2 number, since 2×89867239² = 16152241290966242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89867231) 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, 36619 + ... + 38995.

It is an arithmetic number, because the mean of its divisors is an integer number (7019856).

Almost surely, 2^89867239 is an apocalyptic number.

89867239 is a deficient number, since it is larger than the sum of its proper divisors (22450457).

89867239 is a wasteful number, since it uses less digits than its factorization.

89867239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886.

The product of its digits is 1306368, while the sum is 52.

The square root of 89867239 is about 9479.8332791247. The cubic root of 89867239 is about 447.9200122262.

The spelling of 89867239 in words is "eighty-nine million, eight hundred sixty-seven thousand, two hundred thirty-nine".