3758681 has 4 divisors (see below), whose sum is σ = 3763152. Its totient is φ = 3754212.

The previous prime is 3758663. The next prime is 3758693. The reversal of 3758681 is 1868573.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3758681 - 2¹⁰ = 3757657 is a prime.

It is a super-2 number, since 2×3758681² = 28255365719522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3758611) 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, 551 + ... + 2796.

It is an arithmetic number, because the mean of its divisors is an integer number (940788).

Almost surely, 2^3758681 is an apocalyptic number.

It is an amenable number.

3758681 is a deficient number, since it is larger than the sum of its proper divisors (4471).

3758681 is a wasteful number, since it uses less digits than its factorization.

3758681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470.

The product of its digits is 40320, while the sum is 38.

The square root of 3758681 is about 1938.7318019778. The cubic root of 3758681 is about 155.4814168437.

The spelling of 3758681 in words is "three million, seven hundred fifty-eight thousand, six hundred eighty-one".