3881898 has 16 divisors (see below), whose sum is σ = 8626560. Its totient is φ = 1293948.

The previous prime is 3881887. The next prime is 3881951. The reversal of 3881898 is 8981883.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35890 + ... + 35997.

It is an arithmetic number, because the mean of its divisors is an integer number (539160).

Almost surely, 2^3881898 is an apocalyptic number.

3881898 is an abundant number, since it is smaller than the sum of its proper divisors (4744662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3881898 is a wasteful number, since it uses less digits than its factorization.

3881898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71898 (or 71892 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 3881898 is about 1970.2532832101. The cubic root of 3881898 is about 157.1621784192.

The spelling of 3881898 in words is "three million, eight hundred eighty-one thousand, eight hundred ninety-eight".