89291436 has 48 divisors (see below), whose sum is σ = 227748864. Its totient is φ = 27061056.

The previous prime is 89291407. The next prime is 89291437. The reversal of 89291436 is 63419298.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (89291437) 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, 6181 + ... + 14723.

It is an arithmetic number, because the mean of its divisors is an integer number (4744768).

Almost surely, 2^89291436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89291436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113874432).

89291436 is an abundant number, since it is smaller than the sum of its proper divisors (138457428).

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

89291436 is a wasteful number, since it uses less digits than its factorization.

89291436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630 (or 8628 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 89291436 is about 9449.4145850418. The cubic root of 89291436 is about 446.9613147109.

The spelling of 89291436 in words is "eighty-nine million, two hundred ninety-one thousand, four hundred thirty-six".