30797855 has 16 divisors (see below), whose sum is σ = 41709600. Its totient is φ = 21624960.

The previous prime is 30797843. The next prime is 30797857. The reversal of 30797855 is 55879703.

It is a happy number.

It is not a de Polignac number, because 30797855 - 2¹² = 30793759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30797857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8060 + ... + 11249.

It is an arithmetic number, because the mean of its divisors is an integer number (2606850).

Almost surely, 2^30797855 is an apocalyptic number.

30797855 is a deficient number, since it is larger than the sum of its proper divisors (10911745).

30797855 is a wasteful number, since it uses less digits than its factorization.

30797855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19354.

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 30797855 is about 5549.5815157541. The cubic root of 30797855 is about 313.4537645050.

The spelling of 30797855 in words is "thirty million, seven hundred ninety-seven thousand, eight hundred fifty-five".