3204987 has 4 divisors (see below), whose sum is σ = 4273320. Its totient is φ = 2136656.

The previous prime is 3204983. The next prime is 3204991. The reversal of 3204987 is 7894023.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3204983) and next prime (3204991).

It is a cyclic number.

It is not a de Polignac number, because 3204987 - 2² = 3204983 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3204983) 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, 534162 + ... + 534167.

It is an arithmetic number, because the mean of its divisors is an integer number (1068330).

Almost surely, 2^3204987 is an apocalyptic number.

3204987 is a deficient number, since it is larger than the sum of its proper divisors (1068333).

3204987 is a wasteful number, since it uses less digits than its factorization.

3204987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068332.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 3204987 is about 1790.2477482181. The cubic root of 3204987 is about 147.4377713178.

The spelling of 3204987 in words is "three million, two hundred four thousand, nine hundred eighty-seven".