30793853 has 8 divisors (see below), whose sum is σ = 31925880. Its totient is φ = 29666560.

The previous prime is 30793801. The next prime is 30793871. The reversal of 30793853 is 35839703.

It can be written as a sum of positive squares in 4 ways, for example, as 1493284 + 29300569 = 1222^2 + 5413^2 .

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 30793853 - 2⁸ = 30793597 is a prime.

It is a super-2 number, since 2×30793853² = 1896522765171218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30793153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17033 + ... + 18753.

It is an arithmetic number, because the mean of its divisors is an integer number (3990735).

Almost surely, 2^30793853 is an apocalyptic number.

It is an amenable number.

30793853 is a deficient number, since it is larger than the sum of its proper divisors (1132027).

30793853 is a wasteful number, since it uses less digits than its factorization.

30793853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 30793853 is about 5549.2209363117. The cubic root of 30793853 is about 313.4401867596.

The spelling of 30793853 in words is "thirty million, seven hundred ninety-three thousand, eight hundred fifty-three".