10489749 has 16 divisors (see below), whose sum is σ = 14553600. Its totient is φ = 6713280.

The previous prime is 10489741. The next prime is 10489751. The reversal of 10489749 is 94798401.

10489749 = T₁₀₂ + T₁₀₃ + ... + T₃₉₉.

It is not a de Polignac number, because 10489749 - 2³ = 10489741 is a prime.

It is a super-2 number, since 2×10489749² = 220069668166002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10489749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10489741) 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, 13479 + ... + 14235.

It is an arithmetic number, because the mean of its divisors is an integer number (909600).

Almost surely, 2^10489749 is an apocalyptic number.

It is an amenable number.

10489749 is a deficient number, since it is larger than the sum of its proper divisors (4063851).

10489749 is a wasteful number, since it uses less digits than its factorization.

10489749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 10489749 is about 3238.7881993116. The cubic root of 10489749 is about 218.9046727586.

The spelling of 10489749 in words is "ten million, four hundred eighty-nine thousand, seven hundred forty-nine".