397817046746 has 16 divisors (see below), whose sum is σ = 681980268480. Its totient is φ = 170490972960.

The previous prime is 397817046743. The next prime is 397817046769. The reversal of 397817046746 is 647640718793.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (397817046743) 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, 1923341 + ... + 2120111.

It is an arithmetic number, because the mean of its divisors is an integer number (42623766780).

Almost surely, 2^397817046746 is an apocalyptic number.

397817046746 is a deficient number, since it is larger than the sum of its proper divisors (284163221734).

397817046746 is a wasteful number, since it uses less digits than its factorization.

397817046746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341189.

The product of its (nonzero) digits is 42674688, while the sum is 62.

The spelling of 397817046746 in words is "three hundred ninety-seven billion, eight hundred seventeen million, forty-six thousand, seven hundred forty-six".