3924897 has 4 divisors (see below), whose sum is σ = 5233200. Its totient is φ = 2616596.

The previous prime is 3924883. The next prime is 3924901. The reversal of 3924897 is 7984293.

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 a cyclic number.

It is not a de Polignac number, because 3924897 - 2¹⁸ = 3662753 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3924827) 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, 654147 + ... + 654152.

It is an arithmetic number, because the mean of its divisors is an integer number (1308300).

Almost surely, 2^3924897 is an apocalyptic number.

It is an amenable number.

3924897 is a deficient number, since it is larger than the sum of its proper divisors (1308303).

3924897 is a wasteful number, since it uses less digits than its factorization.

3924897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308302.

The product of its digits is 108864, while the sum is 42.

The square root of 3924897 is about 1981.1352805904. The cubic root of 3924897 is about 157.7403335104.

The spelling of 3924897 in words is "three million, nine hundred twenty-four thousand, eight hundred ninety-seven".