40847873 has 4 divisors (see below), whose sum is σ = 44561328. Its totient is φ = 37134420.

The previous prime is 40847867. The next prime is 40847879. The reversal of 40847873 is 37874804.

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 an interprime number because it is at equal distance from previous prime (40847867) and next prime (40847879).

It is a cyclic number.

It is not a de Polignac number, because 40847873 - 2¹⁴ = 40831489 is a prime.

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 40847873.

It is not an unprimeable number, because it can be changed into a prime (40847879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1856711 + ... + 1856732.

It is an arithmetic number, because the mean of its divisors is an integer number (11140332).

Almost surely, 2^40847873 is an apocalyptic number.

It is an amenable number.

40847873 is a deficient number, since it is larger than the sum of its proper divisors (3713455).

40847873 is a wasteful number, since it uses less digits than its factorization.

40847873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713454.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 40847873 is about 6391.2340748873. The cubic root of 40847873 is about 344.3947182889.

The spelling of 40847873 in words is "forty million, eight hundred forty-seven thousand, eight hundred seventy-three".