40004847 has 24 divisors (see below), whose sum is σ = 60306064. Its totient is φ = 26500608.

The previous prime is 40004827. The next prime is 40004851. The reversal of 40004847 is 74840004.

It is not a de Polignac number, because 40004847 - 2⁷ = 40004719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40004847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004827) 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, 46473 + ... + 47325.

Almost surely, 2^40004847 is an apocalyptic number.

40004847 is a deficient number, since it is larger than the sum of its proper divisors (20301217).

40004847 is an equidigital number, since it uses as much as digits as its factorization.

40004847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 40004847 is about 6324.9384977247. The cubic root of 40004847 is about 342.0090025331.

The spelling of 40004847 in words is "forty million, four thousand, eight hundred forty-seven".