3942587 has 4 divisors (see below), whose sum is σ = 4301016. Its totient is φ = 3584160.

The previous prime is 3942581. The next prime is 3942619. The reversal of 3942587 is 7852493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7852493 = 11 ⋅713863.

It is a cyclic number.

It is not a de Polignac number, because 3942587 - 2⁴ = 3942571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3942587.

It is not an unprimeable number, because it can be changed into a prime (3942581) 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, 179198 + ... + 179219.

It is an arithmetic number, because the mean of its divisors is an integer number (1075254).

Almost surely, 2^3942587 is an apocalyptic number.

3942587 is a deficient number, since it is larger than the sum of its proper divisors (358429).

3942587 is a wasteful number, since it uses less digits than its factorization.

3942587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358428.

The product of its digits is 60480, while the sum is 38.

The square root of 3942587 is about 1985.5948730796. The cubic root of 3942587 is about 157.9769634737.

The spelling of 3942587 in words is "three million, nine hundred forty-two thousand, five hundred eighty-seven".