204107406 has 24 divisors (see below), whose sum is σ = 433643640. Its totient is φ = 64033152.

The previous prime is 204107401. The next prime is 204107419. The reversal of 204107406 is 604701402.

204107406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204107401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57121 + ... + 60588.

It is an arithmetic number, because the mean of its divisors is an integer number (18068485).

Almost surely, 2^204107406 is an apocalyptic number.

204107406 is an abundant number, since it is smaller than the sum of its proper divisors (229536234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204107406 is a wasteful number, since it uses less digits than its factorization.

204107406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117748 (or 117731 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 204107406 is about 14286.6163243786. The cubic root of 204107406 is about 588.7798262936.

Adding to 204107406 its reverse (604701402), we get a palindrome (808808808).

The spelling of 204107406 in words is "two hundred four million, one hundred seven thousand, four hundred six".