3801893 has 4 divisors (see below), whose sum is σ = 3806028. Its totient is φ = 3797760.

The previous prime is 3801883. The next prime is 3801899. The reversal of 3801893 is 3981083.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3981083 = 137 ⋅29059.

It can be written as a sum of positive squares in 2 ways, for example, as 2765569 + 1036324 = 1663^2 + 1018^2 .

It is a cyclic number.

It is not a de Polignac number, because 3801893 - 2¹² = 3797797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3801899) 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, 5 + ... + 2757.

It is an arithmetic number, because the mean of its divisors is an integer number (951507).

Almost surely, 2^3801893 is an apocalyptic number.

It is an amenable number.

3801893 is a deficient number, since it is larger than the sum of its proper divisors (4135).

3801893 is a wasteful number, since it uses less digits than its factorization.

3801893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 3801893 is about 1949.8443527625. The cubic root of 3801893 is about 156.0749831287.

The spelling of 3801893 in words is "three million, eight hundred one thousand, eight hundred ninety-three".