4345506 has 48 divisors (see below), whose sum is σ = 10883808. Its totient is φ = 1238400.

The previous prime is 4345493. The next prime is 4345511. The reversal of 4345506 is 6055434.

It is a self number, because there is not a number n which added to its sum of digits gives 4345506.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2721 + ... + 4011.

It is an arithmetic number, because the mean of its divisors is an integer number (226746).

Almost surely, 2^4345506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4345506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5441904).

4345506 is an abundant number, since it is smaller than the sum of its proper divisors (6538302).

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

4345506 is a wasteful number, since it uses less digits than its factorization.

4345506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1324 counting only the distinct ones).

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

The square root of 4345506 is about 2084.5877290246. The cubic root of 4345506 is about 163.1849557211.

It can be divided in two parts, 4345 and 506, that added together give a triangular number (4851 = T₉₈).

The spelling of 4345506 in words is "four million, three hundred forty-five thousand, five hundred six".