670486198 has 4 divisors (see below), whose sum is σ = 1005729300. Its totient is φ = 335243098.

The previous prime is 670486189. The next prime is 670486253. The reversal of 670486198 is 891684076.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167621548 + ... + 167621551.

It is an arithmetic number, because the mean of its divisors is an integer number (251432325).

Almost surely, 2^670486198 is an apocalyptic number.

670486198 is a deficient number, since it is larger than the sum of its proper divisors (335243102).

670486198 is a wasteful number, since it uses less digits than its factorization.

670486198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335243101.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 670486198 is about 25893.7482416123. The cubic root of 670486198 is about 875.2456226907.

The spelling of 670486198 in words is "six hundred seventy million, four hundred eighty-six thousand, one hundred ninety-eight".