89081400 has 48 divisors (see below), whose sum is σ = 276154200. Its totient is φ = 23754880.

The previous prime is 89081387. The next prime is 89081413. The reversal of 89081400 is 418098.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (89081387) and next prime (89081413).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73635 + ... + 74834.

Almost surely, 2^89081400 is an apocalyptic number.

It is an amenable number.

89081400 is an abundant number, since it is smaller than the sum of its proper divisors (187072800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89081400 is a wasteful number, since it uses less digits than its factorization.

89081400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148488 (or 148479 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 89081400 is about 9438.2943374319. The cubic root of 89081400 is about 446.6105842807.

Adding to 89081400 its reverse (418098), we get a palindrome (89499498).

The spelling of 89081400 in words is "eighty-nine million, eighty-one thousand, four hundred".