89460990 has 32 divisors (see below), whose sum is σ = 238563360. Its totient is φ = 23856192.

The previous prime is 89460983. The next prime is 89460991. The reversal of 89460990 is 9906498.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89460991) 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, 165399 + ... + 165938.

It is an arithmetic number, because the mean of its divisors is an integer number (7455105).

Almost surely, 2^89460990 is an apocalyptic number.

89460990 is an abundant number, since it is smaller than the sum of its proper divisors (149102370).

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

89460990 is a wasteful number, since it uses less digits than its factorization.

89460990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331353 (or 331347 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 89460990 is about 9458.3819969380. The cubic root of 89460990 is about 447.2440449267.

The spelling of 89460990 in words is "eighty-nine million, four hundred sixty thousand, nine hundred ninety".