30806426 has 8 divisors (see below), whose sum is σ = 52811040. Its totient is φ = 13202748.

The previous prime is 30806423. The next prime is 30806473. The reversal of 30806426 is 62460803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30806423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100216 + ... + 1100243.

It is an arithmetic number, because the mean of its divisors is an integer number (6601380).

Almost surely, 2^30806426 is an apocalyptic number.

30806426 is a deficient number, since it is larger than the sum of its proper divisors (22004614).

30806426 is a wasteful number, since it uses less digits than its factorization.

30806426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200468.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 30806426 is about 5550.3536824242. The cubic root of 30806426 is about 313.4828397228.

The spelling of 30806426 in words is "thirty million, eight hundred six thousand, four hundred twenty-six".