3890233 has 4 divisors (see below), whose sum is σ = 3911908. Its totient is φ = 3868560.

The previous prime is 3890219. The next prime is 3890239. The reversal of 3890233 is 3320983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3320983 = 367 ⋅9049.

It can be written as a sum of positive squares in 2 ways, for example, as 157609 + 3732624 = 397^2 + 1932^2 .

It is a cyclic number.

It is not a de Polignac number, because 3890233 - 2²¹ = 1793081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3890239) 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, 10566 + ... + 10927.

It is an arithmetic number, because the mean of its divisors is an integer number (977977).

Almost surely, 2^3890233 is an apocalyptic number.

It is an amenable number.

3890233 is a deficient number, since it is larger than the sum of its proper divisors (21675).

3890233 is a wasteful number, since it uses less digits than its factorization.

3890233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21674.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 3890233 is about 1972.3673592919. The cubic root of 3890233 is about 157.2745813662.

The spelling of 3890233 in words is "three million, eight hundred ninety thousand, two hundred thirty-three".