407847 has 16 divisors (see below), whose sum is σ = 628992. Its totient is φ = 232320.

The previous prime is 407843. The next prime is 407857. The reversal of 407847 is 748704.

It is not a de Polignac number, because 407847 - 2² = 407843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198 + ... + 924.

It is an arithmetic number, because the mean of its divisors is an integer number (39312).

2⁴⁰⁷⁸⁴⁷ is an apocalyptic number.

407847 is a deficient number, since it is larger than the sum of its proper divisors (221145).

407847 is a wasteful number, since it uses less digits than its factorization.

407847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 407847 is about 638.6290002811. The cubic root of 407847 is about 74.1593231518.

It can be divided in two parts, 40 and 7847, that added together give a palindrome (7887).

The spelling of 407847 in words is "four hundred seven thousand, eight hundred forty-seven".