30306426 has 16 divisors (see below), whose sum is σ = 60813984. Its totient is φ = 10068624.

The previous prime is 30306403. The next prime is 30306431. The reversal of 30306426 is 62460303.

It is a junction number, because it is equal to n+sod(n) for n = 30306396 and 30306405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6385 + ... + 10068.

It is an arithmetic number, because the mean of its divisors is an integer number (3800874).

Almost surely, 2^30306426 is an apocalyptic number.

30306426 is an abundant number, since it is smaller than the sum of its proper divisors (30507558).

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

30306426 is a wasteful number, since it uses less digits than its factorization.

30306426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16765.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 30306426 is about 5505.1272464858. The cubic root of 30306426 is about 311.7775987367. Note that the first 3 decimals are identical.

Adding to 30306426 its reverse (62460303), we get a palindrome (92766729).

The spelling of 30306426 in words is "thirty million, three hundred six thousand, four hundred twenty-six".