89782390 has 8 divisors (see below), whose sum is σ = 161608320. Its totient is φ = 35912952.

The previous prime is 89782369. The next prime is 89782397. The reversal of 89782390 is 9328798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×89782390² = 16121755108224200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89782390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89782397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4489110 + ... + 4489129.

It is an arithmetic number, because the mean of its divisors is an integer number (20201040).

Almost surely, 2^89782390 is an apocalyptic number.

89782390 is a deficient number, since it is larger than the sum of its proper divisors (71825930).

89782390 is a wasteful number, since it uses less digits than its factorization.

89782390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8978246.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 89782390 is about 9475.3569853594. The cubic root of 89782390 is about 447.7789985378.

The spelling of 89782390 in words is "eighty-nine million, seven hundred eighty-two thousand, three hundred ninety".