3741281 has 4 divisors (see below), whose sum is σ = 3757572. Its totient is φ = 3724992.

The previous prime is 3741259. The next prime is 3741299. The reversal of 3741281 is 1821473.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1210000 + 2531281 = 1100^2 + 1591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3741281 is a prime.

It is a super-2 number, since 2×3741281² = 27994367041922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3741281.

It is not an unprimeable number, because it can be changed into a prime (3741211) 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, 7796 + ... + 8261.

It is an arithmetic number, because the mean of its divisors is an integer number (939393).

Almost surely, 2^3741281 is an apocalyptic number.

It is an amenable number.

3741281 is a deficient number, since it is larger than the sum of its proper divisors (16291).

3741281 is a wasteful number, since it uses less digits than its factorization.

3741281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16290.

The product of its digits is 1344, while the sum is 26.

The square root of 3741281 is about 1934.2391268920. The cubic root of 3741281 is about 155.2411231455.

The spelling of 3741281 in words is "three million, seven hundred forty-one thousand, two hundred eighty-one".