34405506 has 16 divisors (see below), whose sum is σ = 76456800. Its totient is φ = 11468484.

The previous prime is 34405499. The next prime is 34405517. The reversal of 34405506 is 60550443.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 34405506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318516 + ... + 318623.

It is an arithmetic number, because the mean of its divisors is an integer number (4778550).

Almost surely, 2^34405506 is an apocalyptic number.

34405506 is an abundant number, since it is smaller than the sum of its proper divisors (42051294).

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

34405506 is a wasteful number, since it uses less digits than its factorization.

34405506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637150 (or 637144 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 34405506 is about 5865.6206832696. The cubic root of 34405506 is about 325.2440171352.

Adding to 34405506 its reverse (60550443), we get a palindrome (94955949).

The spelling of 34405506 in words is "thirty-four million, four hundred five thousand, five hundred six".