89560380 has 192 divisors, whose sum is σ = 316108800. Its totient is φ = 18441216.

The previous prime is 89560379. The next prime is 89560409. The reversal of 89560380 is 8306598.

89560380 = 876² + 877² + ... + 979².

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 256446 + ... + 256794.

It is an arithmetic number, because the mean of its divisors is an integer number (1646400).

Almost surely, 2^89560380 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 89560380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158054400).

89560380 is an abundant number, since it is smaller than the sum of its proper divisors (226548420).

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

89560380 is a wasteful number, since it uses less digits than its factorization.

89560380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 89560380 is about 9463.6346083310. The cubic root of 89560380 is about 447.4096110730.

The spelling of 89560380 in words is "eighty-nine million, five hundred sixty thousand, three hundred eighty".