3924561 has 8 divisors (see below), whose sum is σ = 5360544. Its totient is φ = 2552480.

The previous prime is 3924539. The next prime is 3924581. The reversal of 3924561 is 1654293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3924561 - 2⁶ = 3924497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3924581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15831 + ... + 16076.

It is an arithmetic number, because the mean of its divisors is an integer number (670068).

Almost surely, 2^3924561 is an apocalyptic number.

It is an amenable number.

3924561 is a deficient number, since it is larger than the sum of its proper divisors (1435983).

3924561 is a wasteful number, since it uses less digits than its factorization.

3924561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31951.

The product of its digits is 6480, while the sum is 30.

The square root of 3924561 is about 1981.0504789126. The cubic root of 3924561 is about 157.7358321384.

The spelling of 3924561 in words is "three million, nine hundred twenty-four thousand, five hundred sixty-one".