2949845 has 8 divisors (see below), whose sum is σ = 3726240. Its totient is φ = 2235600.

The previous prime is 2949841. The next prime is 2949871. The reversal of 2949845 is 5489492.

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

It is not a de Polignac number, because 2949845 - 2² = 2949841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2949841) 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, 15431 + ... + 15620.

It is an arithmetic number, because the mean of its divisors is an integer number (465780).

2^2949845 is an apocalyptic number.

It is an amenable number.

2949845 is a deficient number, since it is larger than the sum of its proper divisors (776395).

2949845 is a wasteful number, since it uses less digits than its factorization.

2949845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31075.

The product of its digits is 103680, while the sum is 41.

The square root of 2949845 is about 1717.5112808945. The cubic root of 2949845 is about 143.4167022958.

The spelling of 2949845 in words is "two million, nine hundred forty-nine thousand, eight hundred forty-five".