3817481 has 4 divisors (see below), whose sum is σ = 3898752. Its totient is φ = 3736212.

The previous prime is 3817447. The next prime is 3817501. The reversal of 3817481 is 1847183.

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.

It is a cyclic number.

It is not a de Polignac number, because 3817481 - 2¹⁴ = 3801097 is a prime.

It is a super-2 number, since 2×3817481² = 29146322370722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3817181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40565 + ... + 40658.

It is an arithmetic number, because the mean of its divisors is an integer number (974688).

Almost surely, 2^3817481 is an apocalyptic number.

It is an amenable number.

3817481 is a deficient number, since it is larger than the sum of its proper divisors (81271).

3817481 is an equidigital number, since it uses as much as digits as its factorization.

3817481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81270.

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

The square root of 3817481 is about 1953.8375060378. The cubic root of 3817481 is about 156.2879980120.

The spelling of 3817481 in words is "three million, eight hundred seventeen thousand, four hundred eighty-one".