89437131 has 24 divisors (see below), whose sum is σ = 152736480. Its totient is φ = 49343616.

The previous prime is 89437121. The next prime is 89437147. The reversal of 89437131 is 13173498.

It is a happy number.

It is not a de Polignac number, because 89437131 - 2⁷ = 89437003 is a prime.

It is a super-2 number, since 2×89437131² = 15998000803022322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89437111) 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, 22650 + ... + 26303.

It is an arithmetic number, because the mean of its divisors is an integer number (6364020).

Almost surely, 2^89437131 is an apocalyptic number.

89437131 is a deficient number, since it is larger than the sum of its proper divisors (63299349).

89437131 is a wasteful number, since it uses less digits than its factorization.

89437131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48995 (or 48992 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 89437131 is about 9457.1206505997. The cubic root of 89437131 is about 447.2042818060.

It can be divided in two parts, 894 and 37131, that added together give a square (38025 = 195²).

The spelling of 89437131 in words is "eighty-nine million, four hundred thirty-seven thousand, one hundred thirty-one".