10899749 has 8 divisors (see below), whose sum is σ = 13112640. Its totient is φ = 8850816.

The previous prime is 10899743. The next prime is 10899751. The reversal of 10899749 is 94799801.

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

It is a cyclic number.

It is not a de Polignac number, because 10899749 - 2¹² = 10895653 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10899743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40844 + ... + 41109.

It is an arithmetic number, because the mean of its divisors is an integer number (1639080).

Almost surely, 2^10899749 is an apocalyptic number.

10899749 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10899749 is a deficient number, since it is larger than the sum of its proper divisors (2212891).

10899749 is an equidigital number, since it uses as much as digits as its factorization.

10899749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81979.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 10899749 is about 3301.4767907711. The cubic root of 10899749 is about 221.7203211806.

The spelling of 10899749 in words is "ten million, eight hundred ninety-nine thousand, seven hundred forty-nine".