677436 has 12 divisors (see below), whose sum is σ = 1580712. Its totient is φ = 225808.

The previous prime is 677423. The next prime is 677441. The reversal of 677436 is 634776.

677436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 677397 and 677406.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 677436.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28215 + ... + 28238.

It is an arithmetic number, because the mean of its divisors is an integer number (131726).

2⁶⁷⁷⁴³⁶ is an apocalyptic number.

It is an amenable number.

677436 is an abundant number, since it is smaller than the sum of its proper divisors (903276).

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

677436 is a wasteful number, since it uses less digits than its factorization.

677436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56460 (or 56458 counting only the distinct ones).

The product of its digits is 21168, while the sum is 33.

The square root of 677436 is about 823.0650035082. The cubic root of 677436 is about 87.8259300094.

It can be divided in two parts, 67 and 7436, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 677436 in words is "six hundred seventy-seven thousand, four hundred thirty-six".