397694 has 8 divisors (see below), whose sum is σ = 650808. Its totient is φ = 180760.

The previous prime is 397687. The next prime is 397697. The reversal of 397694 is 496793.

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

It is a d-powerful number, because it can be written as 3³ + 9 + 6⁷ + 7⁶ + 9 + 4³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397697) 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, 9017 + ... + 9060.

It is an arithmetic number, because the mean of its divisors is an integer number (81351).

2³⁹⁷⁶⁹⁴ is an apocalyptic number.

397694 is a deficient number, since it is larger than the sum of its proper divisors (253114).

397694 is a wasteful number, since it uses less digits than its factorization.

397694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18090.

The product of its digits is 40824, while the sum is 38.

The square root of 397694 is about 630.6298438863. The cubic root of 397694 is about 73.5387673994.

Subtracting 397694 from its reverse (496793), we obtain a palindrome (99099).

The spelling of 397694 in words is "three hundred ninety-seven thousand, six hundred ninety-four".