34433021 has 16 divisors (see below), whose sum is σ = 40186368. Its totient is φ = 28896000.

The previous prime is 34433017. The next prime is 34433053. The reversal of 34433021 is 12033443.

It is not a de Polignac number, because 34433021 - 2² = 34433017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34432984 and 34433002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34433011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79676 + ... + 80106.

It is an arithmetic number, because the mean of its divisors is an integer number (2511648).

Almost surely, 2^34433021 is an apocalyptic number.

It is an amenable number.

34433021 is a deficient number, since it is larger than the sum of its proper divisors (5753347).

34433021 is a wasteful number, since it uses less digits than its factorization.

34433021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 34433021 is about 5867.9656611129. The cubic root of 34433021 is about 325.3306961354.

Adding to 34433021 its reverse (12033443), we get a palindrome (46466464).

The spelling of 34433021 in words is "thirty-four million, four hundred thirty-three thousand, twenty-one".