4139233 has 4 divisors (see below), whose sum is σ = 4730560. Its totient is φ = 3547908.

The previous prime is 4139221. The next prime is 4139249. The reversal of 4139233 is 3329314.

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 not a de Polignac number, because 4139233 - 2¹⁷ = 4008161 is a prime.

It is an Ulam number.

It is a Duffinian number.

4139233 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4139198 and 4139207.

It is not an unprimeable number, because it can be changed into a prime (4139203) 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, 295653 + ... + 295666.

It is an arithmetic number, because the mean of its divisors is an integer number (1182640).

Almost surely, 2^4139233 is an apocalyptic number.

It is an amenable number.

4139233 is a deficient number, since it is larger than the sum of its proper divisors (591327).

4139233 is an equidigital number, since it uses as much as digits as its factorization.

4139233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591326.

The product of its digits is 1944, while the sum is 25.

The square root of 4139233 is about 2034.5105062398. The cubic root of 4139233 is about 160.5609606587.

The spelling of 4139233 in words is "four million, one hundred thirty-nine thousand, two hundred thirty-three".