2949749 has 8 divisors (see below), whose sum is σ = 3234720. Its totient is φ = 2667600.

The previous prime is 2949733. The next prime is 2949763. The reversal of 2949749 is 9479492.

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 2949749 - 2⁴ = 2949733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2949799) 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, 1934 + ... + 3104.

It is an arithmetic number, because the mean of its divisors is an integer number (404340).

2^2949749 is an apocalyptic number.

It is an amenable number.

2949749 is a deficient number, since it is larger than the sum of its proper divisors (284971).

2949749 is a wasteful number, since it uses less digits than its factorization.

2949749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411.

The product of its digits is 163296, while the sum is 44.

The square root of 2949749 is about 1717.4833332525. The cubic root of 2949749 is about 143.4151464906.

The spelling of 2949749 in words is "two million, nine hundred forty-nine thousand, seven hundred forty-nine".