670492 has 6 divisors (see below), whose sum is σ = 1173368. Its totient is φ = 335244.

The previous prime is 670489. The next prime is 670493. The reversal of 670492 is 294076.

670492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 670492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83808 + ... + 83815.

2⁶⁷⁰⁴⁹² is an apocalyptic number.

It is an amenable number.

670492 is a deficient number, since it is larger than the sum of its proper divisors (502876).

670492 is a wasteful number, since it uses less digits than its factorization.

670492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167627 (or 167625 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 670492 is about 818.8357588674. The cubic root of 670492 is about 87.5248147307.

The spelling of 670492 in words is "six hundred seventy thousand, four hundred ninety-two".