670003398 has 24 divisors (see below), whose sum is σ = 1465245288. Its totient is φ = 221246592.

The previous prime is 670003387. The next prime is 670003421. The reversal of 670003398 is 893300076.

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, 172011 + ... + 175862.

It is an arithmetic number, because the mean of its divisors is an integer number (61051887).

Almost surely, 2^670003398 is an apocalyptic number.

670003398 is an abundant number, since it is smaller than the sum of its proper divisors (795241890).

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

670003398 is a wasteful number, since it uses less digits than its factorization.

670003398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347988 (or 347985 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 670003398 is about 25884.4238491028. The cubic root of 670003398 is about 875.0354915672.

The spelling of 670003398 in words is "six hundred seventy million, three thousand, three hundred ninety-eight".