677394 has 12 divisors (see below), whose sum is σ = 1467726. Its totient is φ = 225792.

The previous prime is 677387. The next prime is 677423. The reversal of 677394 is 493776.

It can be written as a sum of positive squares in only one way, i.e., 632025 + 45369 = 795^2 + 213^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18799 + ... + 18834.

2⁶⁷⁷³⁹⁴ is an apocalyptic number.

677394 is an abundant number, since it is smaller than the sum of its proper divisors (790332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677394 is a wasteful number, since it uses less digits than its factorization.

677394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37641 (or 37638 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 677394 is about 823.0394887246. The cubic root of 677394 is about 87.8241149473.

The spelling of 677394 in words is "six hundred seventy-seven thousand, three hundred ninety-four".