670849400 has 48 divisors (see below), whose sum is σ = 1679710200. Its totient is φ = 247697280.

The previous prime is 670849367. The next prime is 670849429. The reversal of 670849400 is 4948076.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126410 + ... + 131609.

Almost surely, 2^670849400 is an apocalyptic number.

It is an amenable number.

670849400 is an abundant number, since it is smaller than the sum of its proper divisors (1008860800).

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

670849400 is a wasteful number, since it uses less digits than its factorization.

670849400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258048 (or 258039 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 670849400 is about 25900.7606065922. The cubic root of 670849400 is about 875.4036341846.

The spelling of 670849400 in words is "six hundred seventy million, eight hundred forty-nine thousand, four hundred".