3748811 has 4 divisors (see below), whose sum is σ = 4089624. Its totient is φ = 3408000.

The previous prime is 3748781. The next prime is 3748813. The reversal of 3748811 is 1188473.

Added to its reverse (1188473) it gives a square (4937284 = 2222²).

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3748811 - 2¹⁰ = 3747787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3748813) 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, 170390 + ... + 170411.

It is an arithmetic number, because the mean of its divisors is an integer number (1022406).

Almost surely, 2^3748811 is an apocalyptic number.

3748811 is a deficient number, since it is larger than the sum of its proper divisors (340813).

3748811 is a wasteful number, since it uses less digits than its factorization.

3748811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340812.

The product of its digits is 5376, while the sum is 32.

The square root of 3748811 is about 1936.1846502852. The cubic root of 3748811 is about 155.3452035644.

Adding to 3748811 its reverse (1188473), we get a square (4937284 = 2222²).

The spelling of 3748811 in words is "three million, seven hundred forty-eight thousand, eight hundred eleven".