3800047 has 4 divisors (see below), whose sum is σ = 3871800. Its totient is φ = 3728296.

The previous prime is 3800021. The next prime is 3800051. The reversal of 3800047 is 7400083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3800047 - 2⁷ = 3799919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3800347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35797 + ... + 35902.

It is an arithmetic number, because the mean of its divisors is an integer number (967950).

Almost surely, 2^3800047 is an apocalyptic number.

3800047 is a deficient number, since it is larger than the sum of its proper divisors (71753).

3800047 is an equidigital number, since it uses as much as digits as its factorization.

3800047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71752.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 3800047 is about 1949.3709241702. The cubic root of 3800047 is about 156.0497184284.

The spelling of 3800047 in words is "three million, eight hundred thousand, forty-seven".