3743281 has 8 divisors (see below), whose sum is σ = 4091904. Its totient is φ = 3408960.

The previous prime is 3743269. The next prime is 3743297. The reversal of 3743281 is 1823473.

3743281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3743281 - 2⁵ = 3743249 is a prime.

It is a super-2 number, since 2×3743281² = 28024305289922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3743081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3025 + ... + 4078.

It is an arithmetic number, because the mean of its divisors is an integer number (511488).

Almost surely, 2^3743281 is an apocalyptic number.

3743281 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3743281 is a deficient number, since it is larger than the sum of its proper divisors (348623).

3743281 is a wasteful number, since it uses less digits than its factorization.

3743281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7151.

The product of its digits is 4032, while the sum is 28.

The square root of 3743281 is about 1934.7560569746. The cubic root of 3743281 is about 155.2687809572.

It can be divided in two parts, 374 and 3281, that added together give a triangular number (3655 = T₈₅).

The spelling of 3743281 in words is "three million, seven hundred forty-three thousand, two hundred eighty-one".