3936887 has 4 divisors (see below), whose sum is σ = 4108080. Its totient is φ = 3765696.

The previous prime is 3936883. The next prime is 3936899. The reversal of 3936887 is 7886393.

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

It is a cyclic number.

It is not a de Polignac number, because 3936887 - 2² = 3936883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3936883) 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, 85562 + ... + 85607.

It is an arithmetic number, because the mean of its divisors is an integer number (1027020).

Almost surely, 2^3936887 is an apocalyptic number.

3936887 is a deficient number, since it is larger than the sum of its proper divisors (171193).

3936887 is a wasteful number, since it uses less digits than its factorization.

3936887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171192.

The product of its digits is 217728, while the sum is 44.

The square root of 3936887 is about 1984.1590158049. The cubic root of 3936887 is about 157.9007949586.

The spelling of 3936887 in words is "three million, nine hundred thirty-six thousand, eight hundred eighty-seven".