30869449 has 16 divisors (see below), whose sum is σ = 34151040. Its totient is φ = 27728640.

The previous prime is 30869441. The next prime is 30869483. The reversal of 30869449 is 94496803.

It is a cyclic number.

It is not a de Polignac number, because 30869449 - 2³ = 30869441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30869441) 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, 127969 + ... + 128209.

It is an arithmetic number, because the mean of its divisors is an integer number (2134440).

Almost surely, 2^30869449 is an apocalyptic number.

It is an amenable number.

30869449 is a deficient number, since it is larger than the sum of its proper divisors (3281591).

30869449 is a wasteful number, since it uses less digits than its factorization.

30869449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 30869449 is about 5556.0281676752. The cubic root of 30869449 is about 313.6964658427.

The spelling of 30869449 in words is "thirty million, eight hundred sixty-nine thousand, four hundred forty-nine".