670350408 has 128 divisors (see below), whose sum is σ = 2074705920. Its totient is φ = 175760640.

The previous prime is 670350407. The next prime is 670350431. The reversal of 670350408 is 804053076.

It is not an unprimeable number, because it can be changed into a prime (670350407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416341 + ... + 417947.

It is an arithmetic number, because the mean of its divisors is an integer number (16208640).

Almost surely, 2^670350408 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 670350408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1037352960).

670350408 is an abundant number, since it is smaller than the sum of its proper divisors (1404355512).

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

670350408 is a wasteful number, since it uses less digits than its factorization.

670350408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827 (or 1823 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 670350408 is about 25891.1260473545. The cubic root of 670350408 is about 875.1865324227.

The spelling of 670350408 in words is "six hundred seventy million, three hundred fifty thousand, four hundred eight".