677948 has 12 divisors (see below), whose sum is σ = 1238160. Its totient is φ = 324192.

The previous prime is 677947. The next prime is 677953. The reversal of 677948 is 849776.

It is a super-2 number, since 2×677948² = 919226981408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677947) 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, 3593 + ... + 3776.

It is an arithmetic number, because the mean of its divisors is an integer number (103180).

2⁶⁷⁷⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

677948 is a deficient number, since it is larger than the sum of its proper divisors (560212).

677948 is a wasteful number, since it uses less digits than its factorization.

677948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7396 (or 7394 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 677948 is about 823.3759773032. The cubic root of 677948 is about 87.8480504520.

The spelling of 677948 in words is "six hundred seventy-seven thousand, nine hundred forty-eight".