2921061 has 24 divisors (see below), whose sum is σ = 4617760. Its totient is φ = 1631520.

The previous prime is 2921057. The next prime is 2921063. The reversal of 2921061 is 1601292.

It is not a de Polignac number, because 2921061 - 2² = 2921057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4410 + ... + 5028.

2^2921061 is an apocalyptic number.

It is an amenable number.

2921061 is a deficient number, since it is larger than the sum of its proper divisors (1696699).

2921061 is a wasteful number, since it uses less digits than its factorization.

2921061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 2921061 is about 1709.1111725104. Note that the first 4 decimals coincide. The cubic root of 2921061 is about 142.9486995472.

The spelling of 2921061 in words is "two million, nine hundred twenty-one thousand, sixty-one".