3694281 has 8 divisors (see below), whose sum is σ = 5095680. Its totient is φ = 2377872.

The previous prime is 3694279. The next prime is 3694297. The reversal of 3694281 is 1824963.

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

It is not a de Polignac number, because 3694281 - 2¹ = 3694279 is a prime.

It is a super-2 number, since 2×3694281² = 27295424213922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3694241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21145 + ... + 21318.

It is an arithmetic number, because the mean of its divisors is an integer number (636960).

Almost surely, 2^3694281 is an apocalyptic number.

It is an amenable number.

3694281 is a deficient number, since it is larger than the sum of its proper divisors (1401399).

3694281 is a wasteful number, since it uses less digits than its factorization.

3694281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42495.

The product of its digits is 10368, while the sum is 33.

The square root of 3694281 is about 1922.0512480160. The cubic root of 3694281 is about 154.5883074098.

The spelling of 3694281 in words is "three million, six hundred ninety-four thousand, two hundred eighty-one".