3898881 has 32 divisors (see below), whose sum is σ = 6752000. Its totient is φ = 2222640.

The previous prime is 3898879. The next prime is 3898889. The reversal of 3898881 is 1888983.

It is not a de Polignac number, because 3898881 - 2¹ = 3898879 is a prime.

It is a super-2 number, since 2×3898881² = 30402546104322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3898889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9051 + ... + 9471.

It is an arithmetic number, because the mean of its divisors is an integer number (211000).

Almost surely, 2^3898881 is an apocalyptic number.

It is an amenable number.

3898881 is a deficient number, since it is larger than the sum of its proper divisors (2853119).

3898881 is an equidigital number, since it uses as much as digits as its factorization.

3898881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 431 counting only the distinct ones).

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

The square root of 3898881 is about 1974.5584316500. The cubic root of 3898881 is about 157.3910357430.

The spelling of 3898881 in words is "three million, eight hundred ninety-eight thousand, eight hundred eighty-one".