10999604 has 48 divisors (see below), whose sum is σ = 24385536. Its totient is φ = 4216800.

The previous prime is 10999601. The next prime is 10999621. The reversal of 10999604 is 40699901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10999601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21617 + ... + 22119.

It is an arithmetic number, because the mean of its divisors is an integer number (508032).

Almost surely, 2^10999604 is an apocalyptic number.

10999604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10999604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12192768).

10999604 is an abundant number, since it is smaller than the sum of its proper divisors (13385932).

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

10999604 is a wasteful number, since it uses less digits than its factorization.

10999604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 10999604 is about 3316.5650905719. The cubic root of 10999604 is about 222.3953402488.

The spelling of 10999604 in words is "ten million, nine hundred ninety-nine thousand, six hundred four".