407897 has 4 divisors (see below), whose sum is σ = 466176. Its totient is φ = 349620.

The previous prime is 407893. The next prime is 407899. The reversal of 407897 is 798704.

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 407897 - 2² = 407893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (407893) 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, 29129 + ... + 29142.

It is an arithmetic number, because the mean of its divisors is an integer number (116544).

2⁴⁰⁷⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

407897 is a deficient number, since it is larger than the sum of its proper divisors (58279).

407897 is an equidigital number, since it uses as much as digits as its factorization.

407897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58278.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 407897 is about 638.6681454402. The cubic root of 407897 is about 74.1623535485.

The spelling of 407897 in words is "four hundred seven thousand, eight hundred ninety-seven".