30504006 has 64 divisors (see below), whose sum is σ = 76876800. Its totient is φ = 8887968.

The previous prime is 30503989. The next prime is 30504013. The reversal of 30504006 is 60040503.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 30504006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12195 + ... + 14481.

It is an arithmetic number, because the mean of its divisors is an integer number (1201200).

Almost surely, 2^30504006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30504006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38438400).

30504006 is an abundant number, since it is smaller than the sum of its proper divisors (46372794).

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

30504006 is a wasteful number, since it uses less digits than its factorization.

30504006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330 (or 2324 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30504006 is about 5523.0431828839. The cubic root of 30504006 is about 312.4536669441.

Adding to 30504006 its reverse (60040503), we get a palindrome (90544509).

It can be divided in two parts, 3050 and 4006, that added together give a square (7056 = 84²).

The spelling of 30504006 in words is "thirty million, five hundred four thousand, six".