2977939 has 2 divisors, whose sum is σ = 2977940. Its totient is φ = 2977938.

The previous prime is 2977937. The next prime is 2977951. The reversal of 2977939 is 9397792.

2977939 = 702² + 703² + ... + 707².

2977939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2977939 - 2¹ = 2977937 is a prime.

Together with 2977937, it forms a pair of twin primes.

2977939 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2977937) 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 as a sum of consecutive naturals, namely, 1488969 + 1488970.

It is an arithmetic number, because the mean of its divisors is an integer number (1488970).

2^2977939 is an apocalyptic number.

2977939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2977939 is an equidigital number, since it uses as much as digits as its factorization.

2977939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 214326, while the sum is 46.

The square root of 2977939 is about 1725.6705942908. The cubic root of 2977939 is about 143.8705594791.

It can be divided in two parts, 2977 and 939, that added together give a triangular number (3916 = T₈₈).

The spelling of 2977939 in words is "two million, nine hundred seventy-seven thousand, nine hundred thirty-nine".