670956498 has 48 divisors (see below), whose sum is σ = 1503380736. Its totient is φ = 216041760.

The previous prime is 670956497. The next prime is 670956547. The reversal of 670956498 is 894659076.

670956498 is a `hidden beast` number, since 6 + 70 + 9 + 564 + 9 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (670956497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 564661 + ... + 565847.

It is an arithmetic number, because the mean of its divisors is an integer number (31320432).

Almost surely, 2^670956498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670956498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751690368).

670956498 is an abundant number, since it is smaller than the sum of its proper divisors (832424238).

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

670956498 is a wasteful number, since it uses less digits than its factorization.

670956498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239 (or 2236 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 670956498 is about 25902.8279923255. The cubic root of 670956498 is about 875.4502164179.

The spelling of 670956498 in words is "six hundred seventy million, nine hundred fifty-six thousand, four hundred ninety-eight".