3818481 has 4 divisors (see below), whose sum is σ = 5091312. Its totient is φ = 2545652.

The previous prime is 3818473. The next prime is 3818501. The reversal of 3818481 is 1848183.

It is a happy number.

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 3818481 - 2³ = 3818473 is a prime.

It is a super-2 number, since 2×3818481² = 29161594294722, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3818431) 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, 636411 + ... + 636416.

It is an arithmetic number, because the mean of its divisors is an integer number (1272828).

Almost surely, 2^3818481 is an apocalyptic number.

It is an amenable number.

3818481 is a deficient number, since it is larger than the sum of its proper divisors (1272831).

3818481 is a wasteful number, since it uses less digits than its factorization.

3818481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272830.

The product of its digits is 6144, while the sum is 33.

The square root of 3818481 is about 1954.0933959256. The cubic root of 3818481 is about 156.3016435156.

The spelling of 3818481 in words is "three million, eight hundred eighteen thousand, four hundred eighty-one".