2965921 has 8 divisors (see below), whose sum is σ = 3459200. Its totient is φ = 2541924.

The previous prime is 2965909. The next prime is 2965951. The reversal of 2965921 is 1295692.

It is not a de Polignac number, because 2965921 - 2⁷ = 2965793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2965901) 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, 3981 + ... + 4666.

It is an arithmetic number, because the mean of its divisors is an integer number (432400).

2^2965921 is an apocalyptic number.

It is an amenable number.

2965921 is a deficient number, since it is larger than the sum of its proper divisors (493279).

2965921 is an frugal number, since it uses more digits than its factorization.

2965921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8668 (or 8654 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 2965921 is about 1722.1849494175. The cubic root of 2965921 is about 143.6767601706.

The spelling of 2965921 in words is "two million, nine hundred sixty-five thousand, nine hundred twenty-one".