30002039 has 4 divisors (see below), whose sum is σ = 30200880. Its totient is φ = 29803200.

The previous prime is 30002033. The next prime is 30002047. The reversal of 30002039 is 93020003.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93020003 = 47 ⋅1979149.

It is a cyclic number.

It is not a de Polignac number, because 30002039 - 2⁴ = 30002023 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 (30002033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99194 + ... + 99495.

It is an arithmetic number, because the mean of its divisors is an integer number (7550220).

Almost surely, 2^30002039 is an apocalyptic number.

30002039 is a deficient number, since it is larger than the sum of its proper divisors (198841).

30002039 is a wasteful number, since it uses less digits than its factorization.

30002039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198840.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 30002039 is about 5477.4117062715. The cubic root of 30002039 is about 310.7302900438.

The spelling of 30002039 in words is "thirty million, two thousand, thirty-nine".