425847 has 16 divisors (see below), whose sum is σ = 619520. Its totient is φ = 259200.

The previous prime is 425839. The next prime is 425851. The reversal of 425847 is 748524.

It is not a de Polignac number, because 425847 - 2³ = 425839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425847.

It is not an unprimeable number, because it can be changed into a prime (425837) 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, 1647 + ... + 1887.

It is an arithmetic number, because the mean of its divisors is an integer number (38720).

2⁴²⁵⁸⁴⁷ is an apocalyptic number.

425847 is a deficient number, since it is larger than the sum of its proper divisors (193673).

425847 is a wasteful number, since it uses less digits than its factorization.

425847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294.

The product of its digits is 8960, while the sum is 30.

The square root of 425847 is about 652.5695365247. The cubic root of 425847 is about 75.2346429149.

The spelling of 425847 in words is "four hundred twenty-five thousand, eight hundred forty-seven".