2956749 has 8 divisors (see below), whose sum is σ = 4069632. Its totient is φ = 1907520.

The previous prime is 2956747. The next prime is 2956763. The reversal of 2956749 is 9476592.

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

It is not a de Polignac number, because 2956749 - 2¹ = 2956747 is a prime.

It is a Curzon number.

2956749 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2956749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2956741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15804 + ... + 15989.

It is an arithmetic number, because the mean of its divisors is an integer number (508704).

2^2956749 is an apocalyptic number.

It is an amenable number.

2956749 is a deficient number, since it is larger than the sum of its proper divisors (1112883).

2956749 is a wasteful number, since it uses less digits than its factorization.

2956749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31827.

The product of its digits is 136080, while the sum is 42.

The square root of 2956749 is about 1719.5199911603. The cubic root of 2956749 is about 143.5285022318.

The spelling of 2956749 in words is "two million, nine hundred fifty-six thousand, seven hundred forty-nine".