30805246 has 8 divisors (see below), whose sum is σ = 46334880. Its totient is φ = 15360288.

The previous prime is 30805237. The next prime is 30805259. The reversal of 30805246 is 64250803.

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

It is a super-2 number, since 2×30805246² = 1897926362241032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20251 + ... + 21718.

It is an arithmetic number, because the mean of its divisors is an integer number (5791860).

Almost surely, 2^30805246 is an apocalyptic number.

30805246 is a deficient number, since it is larger than the sum of its proper divisors (15529634).

30805246 is a wasteful number, since it uses less digits than its factorization.

30805246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42338.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 30805246 is about 5550.2473818741. The cubic root of 30805246 is about 313.4788371545.

The spelling of 30805246 in words is "thirty million, eight hundred five thousand, two hundred forty-six".