3766481 has 4 divisors (see below), whose sum is σ = 3776100. Its totient is φ = 3756864.

The previous prime is 3766471. The next prime is 3766487. The reversal of 3766481 is 1846673.

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 2076481 + 1690000 = 1441^2 + 1300^2 .

It is a cyclic number.

It is not a de Polignac number, because 3766481 - 2⁶ = 3766417 is a prime.

It is a super-2 number, since 2×3766481² = 28372758246722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3766487) 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, 4196 + ... + 5013.

It is an arithmetic number, because the mean of its divisors is an integer number (944025).

Almost surely, 2^3766481 is an apocalyptic number.

It is an amenable number.

3766481 is a deficient number, since it is larger than the sum of its proper divisors (9619).

3766481 is an equidigital number, since it uses as much as digits as its factorization.

3766481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9618.

The product of its digits is 24192, while the sum is 35.

The square root of 3766481 is about 1940.7423837285. The cubic root of 3766481 is about 155.5888940071.

The spelling of 3766481 in words is "three million, seven hundred sixty-six thousand, four hundred eighty-one".