3854281 has 2 divisors, whose sum is σ = 3854282. Its totient is φ = 3854280.

The previous prime is 3854273. The next prime is 3854297. The reversal of 3854281 is 1824583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2624400 + 1229881 = 1620^2 + 1109^2 .

It is an emirp because it is prime and its reverse (1824583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3854281 - 2³ = 3854273 is a prime.

It is a super-2 number, since 2×3854281² = 29710964053922, which contains 22 as substring.

3854281 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3854231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1927140 + 1927141.

It is an arithmetic number, because the mean of its divisors is an integer number (1927141).

Almost surely, 2^3854281 is an apocalyptic number.

It is an amenable number.

3854281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3854281 is an equidigital number, since it uses as much as digits as its factorization.

3854281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 31.

The square root of 3854281 is about 1963.2322837606. The cubic root of 3854281 is about 156.7885912713.

The spelling of 3854281 in words is "three million, eight hundred fifty-four thousand, two hundred eighty-one".