677442 has 16 divisors (see below), whose sum is σ = 1414080. Its totient is φ = 215952.

The previous prime is 677441. The next prime is 677447. The reversal of 677442 is 244776.

It is not an unprimeable number, because it can be changed into a prime (677441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2317 + ... + 2592.

It is an arithmetic number, because the mean of its divisors is an integer number (88380).

2⁶⁷⁷⁴⁴² is an apocalyptic number.

677442 is an abundant number, since it is smaller than the sum of its proper divisors (736638).

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

677442 is a wasteful number, since it uses less digits than its factorization.

677442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937.

The product of its digits is 9408, while the sum is 30.

The square root of 677442 is about 823.0686484128. The cubic root of 677442 is about 87.8261892979.

The spelling of 677442 in words is "six hundred seventy-seven thousand, four hundred forty-two".