6977389 has 4 divisors (see below), whose sum is σ = 7344640. Its totient is φ = 6610140.

The previous prime is 6977381. The next prime is 6977393. The reversal of 6977389 is 9837796.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6977389 - 2³ = 6977381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6977381) 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, 183597 + ... + 183634.

It is an arithmetic number, because the mean of its divisors is an integer number (1836160).

Almost surely, 2^6977389 is an apocalyptic number.

It is an amenable number.

6977389 is a deficient number, since it is larger than the sum of its proper divisors (367251).

6977389 is a wasteful number, since it uses less digits than its factorization.

6977389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367250.

The product of its digits is 571536, while the sum is 49.

The square root of 6977389 is about 2641.4747774681. The cubic root of 6977389 is about 191.0869280765.

The spelling of 6977389 in words is "six million, nine hundred seventy-seven thousand, three hundred eighty-nine".