34210421 has 8 divisors (see below), whose sum is σ = 39133824. Its totient is φ = 29296080.

The previous prime is 34210403. The next prime is 34210433. The reversal of 34210421 is 12401243.

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 34210421 - 2⁶ = 34210357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34210421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34210471) 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, 11111 + ... + 13851.

It is an arithmetic number, because the mean of its divisors is an integer number (4891728).

Almost surely, 2^34210421 is an apocalyptic number.

It is an amenable number.

34210421 is a deficient number, since it is larger than the sum of its proper divisors (4923403).

34210421 is a wasteful number, since it uses less digits than its factorization.

34210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 34210421 is about 5848.9675157245. The cubic root of 34210421 is about 324.6281221795.

Adding to 34210421 its reverse (12401243), we get a palindrome (46611664).

The spelling of 34210421 in words is "thirty-four million, two hundred ten thousand, four hundred twenty-one".