10909749 has 8 divisors (see below), whose sum is σ = 14793120. Its totient is φ = 7149776.

The previous prime is 10909747. The next prime is 10909757. The reversal of 10909749 is 94790901.

10909749 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 10909749 - 2¹ = 10909747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10909741) 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, 30642 + ... + 30995.

It is an arithmetic number, because the mean of its divisors is an integer number (1849140).

Almost surely, 2^10909749 is an apocalyptic number.

It is an amenable number.

10909749 is a deficient number, since it is larger than the sum of its proper divisors (3883371).

10909749 is an equidigital number, since it uses as much as digits as its factorization.

10909749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61699.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 10909749 is about 3302.9909173354. The cubic root of 10909749 is about 221.7881063959.

The spelling of 10909749 in words is "ten million, nine hundred nine thousand, seven hundred forty-nine".