3884997 has 4 divisors (see below), whose sum is σ = 5180000. Its totient is φ = 2589996.

The previous prime is 3884989. The next prime is 3885001. The reversal of 3884997 is 7994883.

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 not a de Polignac number, because 3884997 - 2³ = 3884989 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3884917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647497 + ... + 647502.

It is an arithmetic number, because the mean of its divisors is an integer number (1295000).

Almost surely, 2^3884997 is an apocalyptic number.

It is an amenable number.

3884997 is a deficient number, since it is larger than the sum of its proper divisors (1295003).

3884997 is a wasteful number, since it uses less digits than its factorization.

3884997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295002.

The product of its digits is 435456, while the sum is 48.

The square root of 3884997 is about 1971.0395734231. The cubic root of 3884997 is about 157.2039892415.

The spelling of 3884997 in words is "three million, eight hundred eighty-four thousand, nine hundred ninety-seven".