3881559 has 36 divisors (see below), whose sum is σ = 6206312. Its totient is φ = 2154240.

The previous prime is 3881543. The next prime is 3881573. The reversal of 3881559 is 9551883.

It is not a de Polignac number, because 3881559 - 2⁴ = 3881543 is a prime.

It is a Duffinian number.

Its product of digits (43200) is a multiple of the sum of its prime factors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881509) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 104889 + ... + 104925.

Almost surely, 2^3881559 is an apocalyptic number.

3881559 is a deficient number, since it is larger than the sum of its proper divisors (2324753).

3881559 is a wasteful number, since it uses less digits than its factorization.

3881559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 68 counting only the distinct ones).

The product of its digits is 43200, while the sum is 39.

The square root of 3881559 is about 1970.1672517835. The cubic root of 3881559 is about 157.1576033781.

The spelling of 3881559 in words is "three million, eight hundred eighty-one thousand, five hundred fifty-nine".