397417 has 8 divisors (see below), whose sum is σ = 426816. Its totient is φ = 369072.

The previous prime is 397379. The next prime is 397427. The reversal of 397417 is 714793.

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

It is a cyclic number.

It is not a de Polignac number, because 397417 - 2⁷ = 397289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618 + ... + 1084.

It is an arithmetic number, because the mean of its divisors is an integer number (53352).

2³⁹⁷⁴¹⁷ is an apocalyptic number.

397417 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

397417 is a deficient number, since it is larger than the sum of its proper divisors (29399).

397417 is a wasteful number, since it uses less digits than its factorization.

397417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527.

The product of its digits is 5292, while the sum is 31.

The square root of 397417 is about 630.4101839279. The cubic root of 397417 is about 73.5216898055.

Subtracting from 397417 its sum of digits (31), we obtain a triangular number (397386 = T₈₉₁).

The spelling of 397417 in words is "three hundred ninety-seven thousand, four hundred seventeen".