2650749 has 8 divisors (see below), whose sum is σ = 3550080. Its totient is φ = 1759296.

The previous prime is 2650699. The next prime is 2650751. The reversal of 2650749 is 9470562.

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

It is not a de Polignac number, because 2650749 - 2⁷ = 2650621 is a prime.

It is a super-2 number, since 2×2650749² = 14052940522002, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁷ + 6⁸ + 5³ + 0 + 7⁷ + 4⁷ + 9 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650789) 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, 1132 + ... + 2565.

It is an arithmetic number, because the mean of its divisors is an integer number (443760).

2^2650749 is an apocalyptic number.

It is an amenable number.

2650749 is a deficient number, since it is larger than the sum of its proper divisors (899331).

2650749 is a wasteful number, since it uses less digits than its factorization.

2650749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2650749 is about 1628.1120968779. The cubic root of 2650749 is about 138.3957867061.

The spelling of 2650749 in words is "two million, six hundred fifty thousand, seven hundred forty-nine".