3781233 has 12 divisors (see below), whose sum is σ = 5516160. Its totient is φ = 2495736.

The previous prime is 3781229. The next prime is 3781237. The reversal of 3781233 is 3321873.

It is an interprime number because it is at equal distance from previous prime (3781229) and next prime (3781237).

It is not a de Polignac number, because 3781233 - 2² = 3781229 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3781197 and 3781206.

It is not an unprimeable number, because it can be changed into a prime (3781237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1113 + ... + 2966.

It is an arithmetic number, because the mean of its divisors is an integer number (459680).

Almost surely, 2^3781233 is an apocalyptic number.

It is an amenable number.

3781233 is a deficient number, since it is larger than the sum of its proper divisors (1734927).

3781233 is a wasteful number, since it uses less digits than its factorization.

3781233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188 (or 4185 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 3781233 is about 1944.5392770525. The cubic root of 3781233 is about 155.7917586355.

The spelling of 3781233 in words is "three million, seven hundred eighty-one thousand, two hundred thirty-three".