2940149 has 4 divisors (see below), whose sum is σ = 2943660. Its totient is φ = 2936640.

The previous prime is 2940127. The next prime is 2940163. The reversal of 2940149 is 9410492.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1030225 + 1909924 = 1015^2 + 1382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2940149 is a prime.

It is a super-2 number, since 2×2940149² = 17288952284402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317 + ... + 2445.

It is an arithmetic number, because the mean of its divisors is an integer number (735915).

2^2940149 is an apocalyptic number.

It is an amenable number.

2940149 is a deficient number, since it is larger than the sum of its proper divisors (3511).

2940149 is a wasteful number, since it uses less digits than its factorization.

2940149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2940149 is about 1714.6862686801. The cubic root of 2940149 is about 143.2593951931.

The spelling of 2940149 in words is "two million, nine hundred forty thousand, one hundred forty-nine".