3890047 has 8 divisors (see below), whose sum is σ = 4521600. Its totient is φ = 3277464.

The previous prime is 3890027. The next prime is 3890053. The reversal of 3890047 is 7400983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3890047 - 2¹¹ = 3887999 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 (3890027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4297 + ... + 5122.

It is an arithmetic number, because the mean of its divisors is an integer number (565200).

Almost surely, 2^3890047 is an apocalyptic number.

3890047 is a deficient number, since it is larger than the sum of its proper divisors (631553).

3890047 is an equidigital number, since it uses as much as digits as its factorization.

3890047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9485.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3890047 is about 1972.3202072686. The cubic root of 3890047 is about 157.2720747864.

The spelling of 3890047 in words is "three million, eight hundred ninety thousand, forty-seven".