30868415 has 16 divisors (see below), whose sum is σ = 39192768. Its totient is φ = 23291136.

The previous prime is 30868403. The next prime is 30868417. The reversal of 30868415 is 51486803.

It is a cyclic number.

It is not a de Polignac number, because 30868415 - 2⁴ = 30868399 is a prime.

It is a super-2 number, since 2×30868415² = 1905718089224450, 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 (30868417) 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, 6557 + ... + 10233.

It is an arithmetic number, because the mean of its divisors is an integer number (2449548).

Almost surely, 2^30868415 is an apocalyptic number.

30868415 is a deficient number, since it is larger than the sum of its proper divisors (8324353).

30868415 is a wasteful number, since it uses less digits than its factorization.

30868415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 30868415 is about 5555.9351148119. The cubic root of 30868415 is about 313.6929632884.

The spelling of 30868415 in words is "thirty million, eight hundred sixty-eight thousand, four hundred fifteen".