30042399 has 8 divisors (see below), whose sum is σ = 40083120. Its totient is φ = 20014976.

The previous prime is 30042373. The next prime is 30042403. The reversal of 30042399 is 99324003.

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

It is a cyclic number.

It is not a de Polignac number, because 30042399 - 2⁸ = 30042143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30042359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4759 + ... + 9095.

It is an arithmetic number, because the mean of its divisors is an integer number (5010390).

Almost surely, 2^30042399 is an apocalyptic number.

30042399 is a deficient number, since it is larger than the sum of its proper divisors (10040721).

30042399 is a wasteful number, since it uses less digits than its factorization.

30042399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6649.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 30042399 is about 5481.0946899319. The cubic root of 30042399 is about 310.8695634124.

The spelling of 30042399 in words is "thirty million, forty-two thousand, three hundred ninety-nine".