2921042 has 16 divisors (see below), whose sum is σ = 4729752. Its totient is φ = 1347840.

The previous prime is 2921029. The next prime is 2921047. The reversal of 2921042 is 2401292.

It can be written as a sum of positive squares in 4 ways, for example, as 2920681 + 361 = 1709^2 + 19^2 .

It is not an unprimeable number, because it can be changed into a prime (2921047) 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, 992 + ... + 2612.

2^2921042 is an apocalyptic number.

2921042 is a deficient number, since it is larger than the sum of its proper divisors (1808710).

2921042 is a wasteful number, since it uses less digits than its factorization.

2921042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2921042 is about 1709.1056140567. The cubic root of 2921042 is about 142.9483896106.

The spelling of 2921042 in words is "two million, nine hundred twenty-one thousand, forty-two".