397583806 has 8 divisors (see below), whose sum is σ = 610921584. Its totient is φ = 193943280.

The previous prime is 397583779. The next prime is 397583807. The reversal of 397583806 is 608385793.

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

It is a self number, because there is not a number n which added to its sum of digits gives 397583806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397583807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2424210 + ... + 2424373.

It is an arithmetic number, because the mean of its divisors is an integer number (76365198).

Almost surely, 2^397583806 is an apocalyptic number.

397583806 is a deficient number, since it is larger than the sum of its proper divisors (213337778).

397583806 is a wasteful number, since it uses less digits than its factorization.

397583806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4848626.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 397583806 is about 19939.5036548055. The cubic root of 397583806 is about 735.3197467306.

The spelling of 397583806 in words is "three hundred ninety-seven million, five hundred eighty-three thousand, eight hundred six".