89402730 has 64 divisors (see below), whose sum is σ = 221944320. Its totient is φ = 23030784.

The previous prime is 89402713. The next prime is 89402741. The reversal of 89402730 is 3720498.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89402691 and 89402700.

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 31 ways as a sum of consecutive naturals, for example, 265122 + ... + 265458.

It is an arithmetic number, because the mean of its divisors is an integer number (3467880).

Almost surely, 2^89402730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89402730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110972160).

89402730 is an abundant number, since it is smaller than the sum of its proper divisors (132541590).

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

89402730 is a wasteful number, since it uses less digits than its factorization.

89402730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 89402730 is about 9455.3016874133. The cubic root of 89402730 is about 447.1469370648.

The spelling of 89402730 in words is "eighty-nine million, four hundred two thousand, seven hundred thirty".