306977 has 12 divisors (see below), whose sum is σ = 351120. Its totient is φ = 267960.

The previous prime is 306953. The next prime is 306991. The reversal of 306977 is 779603.

It is not a de Polignac number, because 306977 - 2⁶ = 306913 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 306977.

It is not an unprimeable number, because it can be changed into a prime (306947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5174 + ... + 5232.

It is an arithmetic number, because the mean of its divisors is an integer number (29260).

2³⁰⁶⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

306977 is a deficient number, since it is larger than the sum of its proper divisors (44143).

306977 is a wasteful number, since it uses less digits than its factorization.

306977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 306977 is about 554.0550514164. The cubic root of 306977 is about 67.4582824070.

It can be divided in two parts, 30 and 6977, that added together give a palindrome (7007).

The spelling of 306977 in words is "three hundred six thousand, nine hundred seventy-seven".