30126306 has 16 divisors (see below), whose sum is σ = 68860224. Its totient is φ = 8607504.

The previous prime is 30126301. The next prime is 30126319. The reversal of 30126306 is 60362103.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (30126301) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 358605 + ... + 358688.

It is an arithmetic number, because the mean of its divisors is an integer number (4303764).

Almost surely, 2^30126306 is an apocalyptic number.

30126306 is an abundant number, since it is smaller than the sum of its proper divisors (38733918).

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

30126306 is a wasteful number, since it uses less digits than its factorization.

30126306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717305.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 30126306 is about 5488.7435720755. The cubic root of 30126306 is about 311.1587090534.

Adding to 30126306 its reverse (60362103), we get a palindrome (90488409).

The spelling of 30126306 in words is "thirty million, one hundred twenty-six thousand, three hundred six".