30639201 has 8 divisors (see below), whose sum is σ = 41344800. Its totient is φ = 20179872.

The previous prime is 30639187. The next prime is 30639211. The reversal of 30639201 is 10293603.

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

It is not a de Polignac number, because 30639201 - 2⁷ = 30639073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30639211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61276 + ... + 61773.

It is an arithmetic number, because the mean of its divisors is an integer number (5168100).

Almost surely, 2^30639201 is an apocalyptic number.

It is an amenable number.

30639201 is a deficient number, since it is larger than the sum of its proper divisors (10705599).

30639201 is a wasteful number, since it uses less digits than its factorization.

30639201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123135.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 30639201 is about 5535.2688281600. The cubic root of 30639201 is about 312.9145891408.

The spelling of 30639201 in words is "thirty million, six hundred thirty-nine thousand, two hundred one".