34004021 has 8 divisors (see below), whose sum is σ = 34564320. Its totient is φ = 33447472.

The previous prime is 34004017. The next prime is 34004071. The reversal of 34004021 is 12040043.

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 34004021 - 2² = 34004017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34003987 and 34004005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34004071) 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, 21566 + ... + 23088.

It is an arithmetic number, because the mean of its divisors is an integer number (4320540).

Almost surely, 2^34004021 is an apocalyptic number.

It is an amenable number.

34004021 is a deficient number, since it is larger than the sum of its proper divisors (560299).

34004021 is a wasteful number, since it uses less digits than its factorization.

34004021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 34004021 is about 5831.2966825570. The cubic root of 34004021 is about 323.9739506822.

Adding to 34004021 its reverse (12040043), we get a palindrome (46044064).

The spelling of 34004021 in words is "thirty-four million, four thousand, twenty-one".