3958281 has 8 divisors (see below), whose sum is σ = 5864160. Its totient is φ = 2638836.

The previous prime is 3958261. The next prime is 3958313. The reversal of 3958281 is 1828593.

It is not a de Polignac number, because 3958281 - 2⁶ = 3958217 is a prime.

It is a super-2 number, since 2×3958281² = 31335976949922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3958211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73275 + ... + 73328.

It is an arithmetic number, because the mean of its divisors is an integer number (733020).

Almost surely, 2^3958281 is an apocalyptic number.

It is an amenable number.

3958281 is a deficient number, since it is larger than the sum of its proper divisors (1905879).

3958281 is a wasteful number, since it uses less digits than its factorization.

3958281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146612 (or 146606 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 3958281 is about 1989.5429123294. The cubic root of 3958281 is about 158.1863021645.

The spelling of 3958281 in words is "three million, nine hundred fifty-eight thousand, two hundred eighty-one".