30930897 has 8 divisors (see below), whose sum is σ = 41273056. Its totient is φ = 20604672.

The previous prime is 30930881. The next prime is 30930943. The reversal of 30930897 is 79803903.

It is a happy number.

30930897 is nontrivially palindromic in base 16.

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

It is not a de Polignac number, because 30930897 - 2⁴ = 30930881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30930857) 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, 1713 + ... + 8049.

It is an arithmetic number, because the mean of its divisors is an integer number (5159132).

Almost surely, 2^30930897 is an apocalyptic number.

It is an amenable number.

30930897 is a deficient number, since it is larger than the sum of its proper divisors (10342159).

30930897 is a wasteful number, since it uses less digits than its factorization.

30930897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7967.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 30930897 is about 5561.5552680882. Note that the first 3 decimals coincide. The cubic root of 30930897 is about 313.9044734906.

The spelling of 30930897 in words is "thirty million, nine hundred thirty thousand, eight hundred ninety-seven".