30132806 has 64 divisors (see below), whose sum is σ = 56733696. Its totient is φ = 11827200.

The previous prime is 30132799. The next prime is 30132811. The reversal of 30132806 is 60823103.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266606 + ... + 266718.

It is an arithmetic number, because the mean of its divisors is an integer number (886464).

Almost surely, 2^30132806 is an apocalyptic number.

30132806 is a deficient number, since it is larger than the sum of its proper divisors (26600890).

30132806 is a wasteful number, since it uses less digits than its factorization.

30132806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 30132806 is about 5489.3356610796. The cubic root of 30132806 is about 311.1810858003.

Adding to 30132806 its reverse (60823103), we get a palindrome (90955909).

The spelling of 30132806 in words is "thirty million, one hundred thirty-two thousand, eight hundred six".