89451837 has 16 divisors (see below), whose sum is σ = 132694080. Its totient is φ = 59556816.

The previous prime is 89451811. The next prime is 89451851. The reversal of 89451837 is 73815498.

It is not a de Polignac number, because 89451837 - 2⁸ = 89451581 is a prime.

It is a super-2 number, since 2×89451837² = 16003262285349138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 89451792 and 89451801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89452837) 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, 25258 + ... + 28580.

It is an arithmetic number, because the mean of its divisors is an integer number (8293380).

Almost surely, 2^89451837 is an apocalyptic number.

89451837 is the 5982-nd heptagonal number.

It is an amenable number.

89451837 is a deficient number, since it is larger than the sum of its proper divisors (43242243).

89451837 is a wasteful number, since it uses less digits than its factorization.

89451837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329 (or 4323 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 89451837 is about 9457.8981280198. The cubic root of 89451837 is about 447.2287914836.

The spelling of 89451837 in words is "eighty-nine million, four hundred fifty-one thousand, eight hundred thirty-seven".