3881937 has 4 divisors (see below), whose sum is σ = 5175920. Its totient is φ = 2587956.

The previous prime is 3881887. The next prime is 3881951. The reversal of 3881937 is 7391883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3881937 - 2⁶ = 3881873 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3881895 and 3881904.

It is not an unprimeable number, because it can be changed into a prime (3881987) 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, 646987 + ... + 646992.

It is an arithmetic number, because the mean of its divisors is an integer number (1293980).

Almost surely, 2^3881937 is an apocalyptic number.

It is an amenable number.

3881937 is a deficient number, since it is larger than the sum of its proper divisors (1293983).

3881937 is a wasteful number, since it uses less digits than its factorization.

3881937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293982.

The product of its digits is 36288, while the sum is 39.

The square root of 3881937 is about 1970.2631803899. The cubic root of 3881937 is about 157.1627047343.

The spelling of 3881937 in words is "three million, eight hundred eighty-one thousand, nine hundred thirty-seven".