30853855 has 8 divisors (see below), whose sum is σ = 37812672. Its totient is φ = 24157728.

The previous prime is 30853847. The next prime is 30853871. The reversal of 30853855 is 55835803.

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

It is a cyclic number.

It is not a de Polignac number, because 30853855 - 2³ = 30853847 is a prime.

It is a super-2 number, since 2×30853855² = 1903920736722050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65412 + ... + 65881.

It is an arithmetic number, because the mean of its divisors is an integer number (4726584).

Almost surely, 2^30853855 is an apocalyptic number.

30853855 is a deficient number, since it is larger than the sum of its proper divisors (6958817).

30853855 is a wasteful number, since it uses less digits than its factorization.

30853855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131345.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 30853855 is about 5554.6246497851. The cubic root of 30853855 is about 313.6436346802.

The spelling of 30853855 in words is "thirty million, eight hundred fifty-three thousand, eight hundred fifty-five".