8791400 has 48 divisors (see below), whose sum is σ = 20673900. Its totient is φ = 3476480.

The previous prime is 8791373. The next prime is 8791411. The reversal of 8791400 is 41978.

It can be written as a sum of positive squares in 6 ways, for example, as 276676 + 8514724 = 526^2 + 2918^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22406 + ... + 22794.

Almost surely, 2^8791400 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 8791400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10336950).

8791400 is an abundant number, since it is smaller than the sum of its proper divisors (11882500).

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

8791400 is a wasteful number, since it uses less digits than its factorization.

8791400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 8791400 is about 2965.0295108144. The cubic root of 8791400 is about 206.3887465571.

The spelling of 8791400 in words is "eight million, seven hundred ninety-one thousand, four hundred".