477397 has 4 divisors (see below), whose sum is σ = 483520. Its totient is φ = 471276.

The previous prime is 477383. The next prime is 477409. The reversal of 477397 is 793774.

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, and also an emirpimes, since its reverse is a distinct semiprime: 793774 = 2 ⋅396887.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-477397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477317) 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, 2943 + ... + 3100.

It is an arithmetic number, because the mean of its divisors is an integer number (120880).

2⁴⁷⁷³⁹⁷ is an apocalyptic number.

It is an amenable number.

477397 is a deficient number, since it is larger than the sum of its proper divisors (6123).

477397 is an equidigital number, since it uses as much as digits as its factorization.

477397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6122.

The product of its digits is 37044, while the sum is 37.

The square root of 477397 is about 690.9392158504. The cubic root of 477397 is about 78.1555628688.

The spelling of 477397 in words is "four hundred seventy-seven thousand, three hundred ninety-seven".