3887231 has 4 divisors (see below), whose sum is σ = 3900792. Its totient is φ = 3873672.

The previous prime is 3887227. The next prime is 3887239. The reversal of 3887231 is 1327883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1327883 = 43 ⋅30881.

It is a cyclic number.

It is not a de Polignac number, because 3887231 - 2² = 3887227 is a prime.

It is a super-2 number, since 2×3887231² = 30221129694722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887239) 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, 6341 + ... + 6926.

It is an arithmetic number, because the mean of its divisors is an integer number (975198).

Almost surely, 2^3887231 is an apocalyptic number.

3887231 is a deficient number, since it is larger than the sum of its proper divisors (13561).

3887231 is a wasteful number, since it uses less digits than its factorization.

3887231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13560.

The product of its digits is 8064, while the sum is 32.

The square root of 3887231 is about 1971.6061980020. The cubic root of 3887231 is about 157.2341159415.

The spelling of 3887231 in words is "three million, eight hundred eighty-seven thousand, two hundred thirty-one".