670992 has 40 divisors (see below), whose sum is σ = 1982016. Its totient is φ = 191616.

The previous prime is 670991. The next prime is 671003. The reversal of 670992 is 299076.

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 670992.

It is not an unprimeable number, because it can be changed into a prime (670991) 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, 663 + ... + 1334.

2⁶⁷⁰⁹⁹² is an apocalyptic number.

It is an amenable number.

670992 is an abundant number, since it is smaller than the sum of its proper divisors (1311024).

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

670992 is a wasteful number, since it uses less digits than its factorization.

670992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015 (or 2009 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 670992 is about 819.1410135013. The cubic root of 670992 is about 87.5465656905.

The spelling of 670992 in words is "six hundred seventy thousand, nine hundred ninety-two".