670477398 has 16 divisors (see below), whose sum is σ = 1347312576. Its totient is φ = 222432840.

The previous prime is 670477397. The next prime is 670477429. The reversal of 670477398 is 893774076.

It is a self number, because there is not a number n which added to its sum of digits gives 670477398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670477391) 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, 263536 + ... + 266067.

It is an arithmetic number, because the mean of its divisors is an integer number (84207036).

Almost surely, 2^670477398 is an apocalyptic number.

670477398 is an abundant number, since it is smaller than the sum of its proper divisors (676835178).

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

670477398 is a wasteful number, since it uses less digits than its factorization.

670477398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529819.

The product of its (nonzero) digits is 1778112, while the sum is 51.

The square root of 670477398 is about 25893.5783158682. The cubic root of 670477398 is about 875.2417935315.

The spelling of 670477398 in words is "six hundred seventy million, four hundred seventy-seven thousand, three hundred ninety-eight".