3768281 has 8 divisors (see below), whose sum is σ = 4173024. Its totient is φ = 3373920.

The previous prime is 3768277. The next prime is 3768287. The reversal of 3768281 is 1828673.

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

It is not a de Polignac number, because 3768281 - 2² = 3768277 is a prime.

It is a super-2 number, since 2×3768281² = 28399883389922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3768287) 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, 1820 + ... + 3293.

It is an arithmetic number, because the mean of its divisors is an integer number (521628).

Almost surely, 2^3768281 is an apocalyptic number.

It is an amenable number.

3768281 is a deficient number, since it is larger than the sum of its proper divisors (404743).

3768281 is a wasteful number, since it uses less digits than its factorization.

3768281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191.

The product of its digits is 16128, while the sum is 35.

The square root of 3768281 is about 1941.2060684018. The cubic root of 3768281 is about 155.6136753532.

The spelling of 3768281 in words is "three million, seven hundred sixty-eight thousand, two hundred eighty-one".