397473 has 4 divisors (see below), whose sum is σ = 529968. Its totient is φ = 264980.

The previous prime is 397469. The next prime is 397489. The reversal of 397473 is 374793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 397473 - 2² = 397469 is a prime.

It is a d-powerful number, because it can be written as 3¹⁰ + 9² + 4⁹ + 7³ + 7⁵ + 3¹⁰ .

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (397433) 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, 66243 + ... + 66248.

It is an arithmetic number, because the mean of its divisors is an integer number (132492).

2³⁹⁷⁴⁷³ is an apocalyptic number.

It is an amenable number.

397473 is a deficient number, since it is larger than the sum of its proper divisors (132495).

397473 is a wasteful number, since it uses less digits than its factorization.

397473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132494.

The product of its digits is 15876, while the sum is 33.

The square root of 397473 is about 630.4545978895. The cubic root of 397473 is about 73.5251429553.

It can be divided in two parts, 397 and 473, that multiplied together give a palindrome (187781).

The spelling of 397473 in words is "three hundred ninety-seven thousand, four hundred seventy-three".