34100421 has 36 divisors (see below), whose sum is σ = 51462432. Its totient is φ = 20043936.

The previous prime is 34100401. The next prime is 34100431. The reversal of 34100421 is 12400143.

It is not a de Polignac number, because 34100421 - 2²³ = 25711813 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34100421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34100401) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 921615 + ... + 921651.

It is an arithmetic number, because the mean of its divisors is an integer number (1429512).

Almost surely, 2^34100421 is an apocalyptic number.

It is an amenable number.

34100421 is a deficient number, since it is larger than the sum of its proper divisors (17362011).

34100421 is a wasteful number, since it uses less digits than its factorization.

34100421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 34100421 is about 5839.5565756314. The cubic root of 34100421 is about 324.2798127673.

Adding to 34100421 its reverse (12400143), we get a palindrome (46500564).

The spelling of 34100421 in words is "thirty-four million, one hundred thousand, four hundred twenty-one".