8636425 has 24 divisors (see below), whose sum is σ = 12963456. Its totient is φ = 5571840.

The previous prime is 8636423. The next prime is 8636449. The reversal of 8636425 is 5246368.

It is a happy number.

It is not a de Polignac number, because 8636425 - 2¹ = 8636423 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8636423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1524 + ... + 4426.

It is an arithmetic number, because the mean of its divisors is an integer number (540144).

Almost surely, 2^8636425 is an apocalyptic number.

8636425 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8636425 is a deficient number, since it is larger than the sum of its proper divisors (4327031).

8636425 is a wasteful number, since it uses less digits than its factorization.

8636425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937 (or 2932 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 8636425 is about 2938.7795085715. The cubic root of 8636425 is about 205.1688080116.

The spelling of 8636425 in words is "eight million, six hundred thirty-six thousand, four hundred twenty-five".