8999392 has 48 divisors (see below), whose sum is σ = 19105632. Its totient is φ = 4157440.

The previous prime is 8999387. The next prime is 8999401. The reversal of 8999392 is 2939998.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38508 + ... + 38740.

It is an arithmetic number, because the mean of its divisors is an integer number (398034).

Almost surely, 2^8999392 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 8999392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9552816).

8999392 is an abundant number, since it is smaller than the sum of its proper divisors (10106240).

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

8999392 is a wasteful number, since it uses less digits than its factorization.

8999392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 323 counting only the distinct ones).

The product of its digits is 314928, while the sum is 49.

The square root of 8999392 is about 2999.8986649552. The cubic root of 8999392 is about 208.0036981591.

The spelling of 8999392 in words is "eight million, nine hundred ninety-nine thousand, three hundred ninety-two".