3899047 has 4 divisors (see below), whose sum is σ = 4104280. Its totient is φ = 3693816.

The previous prime is 3899033. The next prime is 3899053. The reversal of 3899047 is 7409983.

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 3899047 - 2⁷ = 3898919 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899057) 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, 102588 + ... + 102625.

It is an arithmetic number, because the mean of its divisors is an integer number (1026070).

Almost surely, 2^3899047 is an apocalyptic number.

3899047 is a deficient number, since it is larger than the sum of its proper divisors (205233).

3899047 is a wasteful number, since it uses less digits than its factorization.

3899047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205232.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3899047 is about 1974.6004659171. The cubic root of 3899047 is about 157.3932694216.

The spelling of 3899047 in words is "three million, eight hundred ninety-nine thousand, forty-seven".