920677 has 2 divisors, whose sum is σ = 920678. Its totient is φ = 920676.

The previous prime is 920653. The next prime is 920687. The reversal of 920677 is 776029.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 509796 + 410881 = 714^2 + 641^2 .

It is an emirp because it is prime and its reverse (776029) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920677 is a prime.

It is a super-2 number, since 2×920677² = 1695292276658, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920687) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460338 + 460339.

It is an arithmetic number, because the mean of its divisors is an integer number (460339).

2⁹²⁰⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

920677 is a deficient number, since it is larger than the sum of its proper divisors (1).

920677 is an equidigital number, since it uses as much as digits as its factorization.

920677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 920677 is about 959.5191504082. The cubic root of 920677 is about 97.2827333897.

The spelling of 920677 in words is "nine hundred twenty thousand, six hundred seventy-seven".