2977965 has 56 divisors (see below), whose sum is σ = 5771040. Its totient is φ = 1469664.

The previous prime is 2977963. The next prime is 2977979. The reversal of 2977965 is 5697792.

It is not a de Polignac number, because 2977965 - 2¹ = 2977963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (238140) is a multiple of the sum of its prime divisors (70).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2977965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2977963) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 69234 + ... + 69276.

2^2977965 is an apocalyptic number.

It is an amenable number.

2977965 is a deficient number, since it is larger than the sum of its proper divisors (2793075).

2977965 is an equidigital number, since it uses as much as digits as its factorization.

2977965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 70 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 2977965 is about 1725.6781275777. The cubic root of 2977965 is about 143.8709781829.

The spelling of 2977965 in words is "two million, nine hundred seventy-seven thousand, nine hundred sixty-five".