34434021 has 8 divisors (see below), whose sum is σ = 46076544. Its totient is φ = 22873760.

The previous prime is 34434019. The next prime is 34434067. The reversal of 34434021 is 12043443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34434021 - 2¹ = 34434019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34434121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19581 + ... + 21266.

It is an arithmetic number, because the mean of its divisors is an integer number (5759568).

Almost surely, 2^34434021 is an apocalyptic number.

It is an amenable number.

34434021 is a deficient number, since it is larger than the sum of its proper divisors (11642523).

34434021 is a wasteful number, since it uses less digits than its factorization.

34434021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41131.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 34434021 is about 5868.0508689002. The cubic root of 34434021 is about 325.3338455110. Note that the first 3 decimals are identical.

Adding to 34434021 its reverse (12043443), we get a palindrome (46477464).

The spelling of 34434021 in words is "thirty-four million, four hundred thirty-four thousand, twenty-one".