670496 has 24 divisors (see below), whose sum is σ = 1378944. Its totient is φ = 320320.

The previous prime is 670493. The next prime is 670507. The reversal of 670496 is 694076.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 in 3 ways as a sum of consecutive naturals, for example, 281 + ... + 1191.

It is an arithmetic number, because the mean of its divisors is an integer number (57456).

2⁶⁷⁰⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689472).

670496 is an abundant number, since it is smaller than the sum of its proper divisors (708448).

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

670496 is a wasteful number, since it uses less digits than its factorization.

670496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 670496 is about 818.8382013560. The cubic root of 670496 is about 87.5249887812.

The spelling of 670496 in words is "six hundred seventy thousand, four hundred ninety-six".