2949885 has 16 divisors (see below), whose sum is σ = 5244480. Its totient is φ = 1573200.

The previous prime is 2949871. The next prime is 2949887. The reversal of 2949885 is 5889492.

It is not a de Polignac number, because 2949885 - 2⁸ = 2949629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

2949885 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2949885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2949887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10791 + ... + 11060.

It is an arithmetic number, because the mean of its divisors is an integer number (327780).

2^2949885 is an apocalyptic number.

It is an amenable number.

2949885 is a deficient number, since it is larger than the sum of its proper divisors (2294595).

2949885 is a wasteful number, since it uses less digits than its factorization.

2949885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21865 (or 21859 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 2949885 is about 1717.5229256112. The cubic root of 2949885 is about 143.4173505380.

The spelling of 2949885 in words is "two million, nine hundred forty-nine thousand, eight hundred eighty-five".