2973965 has 4 divisors (see below), whose sum is σ = 3568764. Its totient is φ = 2379168.

The previous prime is 2973961. The next prime is 2974001. The reversal of 2973965 is 5693792.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 574564 + 2399401 = 758^2 + 1549^2 .

It is a cyclic number.

It is not a de Polignac number, because 2973965 - 2² = 2973961 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 (2973961) 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, 297392 + ... + 297401.

It is an arithmetic number, because the mean of its divisors is an integer number (892191).

2^2973965 is an apocalyptic number.

It is an amenable number.

2973965 is a deficient number, since it is larger than the sum of its proper divisors (594799).

2973965 is an equidigital number, since it uses as much as digits as its factorization.

2973965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594798.

The product of its digits is 102060, while the sum is 41.

The square root of 2973965 is about 1724.5187734554. The cubic root of 2973965 is about 143.8065335294.

The spelling of 2973965 in words is "two million, nine hundred seventy-three thousand, nine hundred sixty-five".