30839402 has 8 divisors (see below), whose sum is σ = 50464512. Its totient is φ = 14017900.

The previous prime is 30839401. The next prime is 30839407. The reversal of 30839402 is 20493803.

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

It is not an unprimeable number, because it can be changed into a prime (30839401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700874 + ... + 700917.

It is an arithmetic number, because the mean of its divisors is an integer number (6308064).

Almost surely, 2^30839402 is an apocalyptic number.

30839402 is a deficient number, since it is larger than the sum of its proper divisors (19625110).

30839402 is a wasteful number, since it uses less digits than its factorization.

30839402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401804.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 30839402 is about 5553.3235093951. The cubic root of 30839402 is about 313.5946532325.

The spelling of 30839402 in words is "thirty million, eight hundred thirty-nine thousand, four hundred two".