30852639 has 6 divisors (see below), whose sum is σ = 44564936. Its totient is φ = 20568420.

The previous prime is 30852617. The next prime is 30852643. The reversal of 30852639 is 93625803.

It is not a de Polignac number, because 30852639 - 2⁸ = 30852383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30852649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1714027 + ... + 1714044.

Almost surely, 2^30852639 is an apocalyptic number.

30852639 is a deficient number, since it is larger than the sum of its proper divisors (13712297).

30852639 is a wasteful number, since it uses less digits than its factorization.

30852639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428077 (or 3428074 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 30852639 is about 5554.5151903654. The cubic root of 30852639 is about 313.6395142262.

The spelling of 30852639 in words is "thirty million, eight hundred fifty-two thousand, six hundred thirty-nine".