2653749 has 32 divisors (see below), whose sum is σ = 4736000. Its totient is φ = 1434672.

The previous prime is 2653741. The next prime is 2653753. The reversal of 2653749 is 9473562.

2653749 = T₅₁₉ + T₅₂₀ + ... + T₅₃₇.

It is not a de Polignac number, because 2653749 - 2³ = 2653741 is a prime.

It is a Duffinian number.

2653749 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2653741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3222 + ... + 3960.

It is an arithmetic number, because the mean of its divisors is an integer number (148000).

2^2653749 is an apocalyptic number.

It is an amenable number.

2653749 is a deficient number, since it is larger than the sum of its proper divisors (2082251).

2653749 is a wasteful number, since it uses less digits than its factorization.

2653749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 768 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 2653749 is about 1629.0331488340. The cubic root of 2653749 is about 138.4479770906.

The spelling of 2653749 in words is "two million, six hundred fifty-three thousand, seven hundred forty-nine".