3954881 has 4 divisors (see below), whose sum is σ = 4519872. Its totient is φ = 3389892.

The previous prime is 3954877. The next prime is 3954889. The reversal of 3954881 is 1884593.

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 a cyclic number.

It is not a de Polignac number, because 3954881 - 2² = 3954877 is a prime.

It is a super-2 number, since 2×3954881² = 31282167448322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3954889) 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, 282485 + ... + 282498.

It is an arithmetic number, because the mean of its divisors is an integer number (1129968).

Almost surely, 2^3954881 is an apocalyptic number.

It is an amenable number.

3954881 is a deficient number, since it is larger than the sum of its proper divisors (564991).

3954881 is an equidigital number, since it uses as much as digits as its factorization.

3954881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564990.

The product of its digits is 34560, while the sum is 38.

The square root of 3954881 is about 1988.6882611410. The cubic root of 3954881 is about 158.1409973556.

The spelling of 3954881 in words is "three million, nine hundred fifty-four thousand, eight hundred eighty-one".