2977969 has 4 divisors (see below), whose sum is σ = 2999844. Its totient is φ = 2956096.

The previous prime is 2977963. The next prime is 2977979. The reversal of 2977969 is 9697792.

2977969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 831744 + 2146225 = 912^2 + 1465^2 .

It is a cyclic number.

It is not a de Polignac number, because 2977969 - 2⁵ = 2977937 is a prime.

It is a super-2 number, since 2×2977969² = 17736598729922, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 12.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10732 + ... + 11005.

It is an arithmetic number, because the mean of its divisors is an integer number (749961).

2^2977969 is an apocalyptic number.

It is an amenable number.

2977969 is a deficient number, since it is larger than the sum of its proper divisors (21875).

2977969 is a wasteful number, since it uses less digits than its factorization.

2977969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21874.

The product of its digits is 428652, while the sum is 49.

The square root of 2977969 is about 1725.6792865420. The cubic root of 2977969 is about 143.8710425987.

The spelling of 2977969 in words is "two million, nine hundred seventy-seven thousand, nine hundred sixty-nine".