2921149 has 16 divisors (see below), whose sum is σ = 3709440. Its totient is φ = 2234160.

The previous prime is 2921147. The next prime is 2921173. The reversal of 2921149 is 9411292.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2921149 - 2¹ = 2921147 is a prime.

It is a super-2 number, since 2×2921149² = 17066222960402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921147) 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, 4222 + ... + 4864.

It is an arithmetic number, because the mean of its divisors is an integer number (231840).

2^2921149 is an apocalyptic number.

It is an amenable number.

2921149 is a deficient number, since it is larger than the sum of its proper divisors (788291).

2921149 is a wasteful number, since it uses less digits than its factorization.

2921149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720.

The product of its digits is 1296, while the sum is 28.

The square root of 2921149 is about 1709.1369166922. The cubic root of 2921149 is about 142.9501350255.

It can be divided in two parts, 292 and 1149, that added together give a palindrome (1441).

The spelling of 2921149 in words is "two million, nine hundred twenty-one thousand, one hundred forty-nine".