3787241 has 4 divisors (see below), whose sum is σ = 3791172. Its totient is φ = 3783312.

The previous prime is 3787237. The next prime is 3787247. The reversal of 3787241 is 1427873.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2262016 + 1525225 = 1504^2 + 1235^2 .

It is a cyclic number.

It is not a de Polignac number, because 3787241 - 2² = 3787237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3787198 and 3787207.

It is not an unprimeable number, because it can be changed into a prime (3787247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575 + ... + 2811.

It is an arithmetic number, because the mean of its divisors is an integer number (947793).

Almost surely, 2^3787241 is an apocalyptic number.

It is an amenable number.

3787241 is a deficient number, since it is larger than the sum of its proper divisors (3931).

3787241 is a wasteful number, since it uses less digits than its factorization.

3787241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930.

The product of its digits is 9408, while the sum is 32.

The square root of 3787241 is about 1946.0835028333. The cubic root of 3787241 is about 155.8742274658.

It can be divided in two parts, 37 and 87241, that added together give a palindrome (87278).

The spelling of 3787241 in words is "three million, seven hundred eighty-seven thousand, two hundred forty-one".