10499749 has 16 divisors (see below), whose sum is σ = 11797632. Its totient is φ = 9281088.

The previous prime is 10499729. The next prime is 10499767. The reversal of 10499749 is 94799401.

It is a cyclic number.

It is not a de Polignac number, because 10499749 - 2¹¹ = 10497701 is a prime.

It is a super-2 number, since 2×10499749² = 220489458126002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10499719) 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, 39792 + ... + 40054.

It is an arithmetic number, because the mean of its divisors is an integer number (737352).

Almost surely, 2^10499749 is an apocalyptic number.

It is an amenable number.

10499749 is a deficient number, since it is larger than the sum of its proper divisors (1297883).

10499749 is a wasteful number, since it uses less digits than its factorization.

10499749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 10499749 is about 3240.3316188316. The cubic root of 10499749 is about 218.9742121245.

The spelling of 10499749 in words is "ten million, four hundred ninety-nine thousand, seven hundred forty-nine".