3954481 has 2 divisors, whose sum is σ = 3954482. Its totient is φ = 3954480.

The previous prime is 3954473. The next prime is 3954493. The reversal of 3954481 is 1844593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3936256 + 18225 = 1984^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 3954481 - 2³ = 3954473 is a prime.

It is a super-2 number, since 2×3954481² = 31275839958722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3954281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1977240 + 1977241.

It is an arithmetic number, because the mean of its divisors is an integer number (1977241).

Almost surely, 2^3954481 is an apocalyptic number.

It is an amenable number.

3954481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3954481 is an equidigital number, since it uses as much as digits as its factorization.

3954481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 3954481 is about 1988.5876897939. The cubic root of 3954481 is about 158.1356656712.

The spelling of 3954481 in words is "three million, nine hundred fifty-four thousand, four hundred eighty-one".