397107066 has 8 divisors (see below), whose sum is σ = 794214144. Its totient is φ = 132369020.

The previous prime is 397107043. The next prime is 397107071. The reversal of 397107066 is 660701793.

It is a sphenic number, since it is the product of 3 distinct primes.

397107066 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33092250 + ... + 33092261.

It is an arithmetic number, because the mean of its divisors is an integer number (99276768).

Almost surely, 2^397107066 is an apocalyptic number.

397107066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

397107066 is a wasteful number, since it uses less digits than its factorization.

397107066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66184516.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 397107066 is about 19927.5454083036. The cubic root of 397107066 is about 735.0257235664.

The spelling of 397107066 in words is "three hundred ninety-seven million, one hundred seven thousand, sixty-six".