3874609 has 4 divisors (see below), whose sum is σ = 3882816. Its totient is φ = 3866404.

The previous prime is 3874583. The next prime is 3874639. The reversal of 3874609 is 9064783.

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 a de Polignac number, because none of the positive numbers 2^k-3874609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3874639) 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, 3349 + ... + 4354.

It is an arithmetic number, because the mean of its divisors is an integer number (970704).

Almost surely, 2^3874609 is an apocalyptic number.

It is an amenable number.

3874609 is a deficient number, since it is larger than the sum of its proper divisors (8207).

3874609 is an equidigital number, since it uses as much as digits as its factorization.

3874609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8206.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3874609 is about 1968.4026518982. The cubic root of 3874609 is about 157.0637495178.

It can be divided in two parts, 38 and 74609, that added together give a palindrome (74647).

The spelling of 3874609 in words is "three million, eight hundred seventy-four thousand, six hundred nine".