397696794 has 64 divisors (see below), whose sum is σ = 897955200. Its totient is φ = 116363520.

The previous prime is 397696781. The next prime is 397696801. The reversal of 397696794 is 497696793.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363312 + ... + 364404.

It is an arithmetic number, because the mean of its divisors is an integer number (14030550).

Almost surely, 2^397696794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397696794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448977600).

397696794 is an abundant number, since it is smaller than the sum of its proper divisors (500258406).

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

397696794 is a wasteful number, since it uses less digits than its factorization.

397696794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295.

The product of its digits is 15431472, while the sum is 60.

The square root of 397696794 is about 19942.3367236641. The cubic root of 397696794 is about 735.3893961456.

Subtracting 397696794 from its reverse (497696793), we obtain a palindrome (99999999).

The spelling of 397696794 in words is "three hundred ninety-seven million, six hundred ninety-six thousand, seven hundred ninety-four".