3887451 has 12 divisors (see below), whose sum is σ = 5711160. Its totient is φ = 2547360.

The previous prime is 3887449. The next prime is 3887453. The reversal of 3887451 is 1547883.

It is an interprime number because it is at equal distance from previous prime (3887449) and next prime (3887453).

It is not a de Polignac number, because 3887451 - 2¹ = 3887449 is a prime.

It is a super-2 number, since 2×3887451² = 30224550554802, which contains 22 as substring.

3887451 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3887453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3130 + ... + 4191.

It is an arithmetic number, because the mean of its divisors is an integer number (475930).

Almost surely, 2^3887451 is an apocalyptic number.

3887451 is a deficient number, since it is larger than the sum of its proper divisors (1823709).

3887451 is a wasteful number, since it uses less digits than its factorization.

3887451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7386 (or 7383 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 3887451 is about 1971.6619892872. The cubic root of 3887451 is about 157.2370821363.

The spelling of 3887451 in words is "three million, eight hundred eighty-seven thousand, four hundred fifty-one".