30869039 has 2 divisors, whose sum is σ = 30869040. Its totient is φ = 30869038.

The previous prime is 30869011. The next prime is 30869051. The reversal of 30869039 is 93096803.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (93096803) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30869039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30868993 and 30869011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30869009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15434519 + 15434520.

It is an arithmetic number, because the mean of its divisors is an integer number (15434520).

Almost surely, 2^30869039 is an apocalyptic number.

30869039 is a deficient number, since it is larger than the sum of its proper divisors (1).

30869039 is an equidigital number, since it uses as much as digits as its factorization.

30869039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 30869039 is about 5555.9912706915. The cubic root of 30869039 is about 313.6950770249.

The spelling of 30869039 in words is "thirty million, eight hundred sixty-nine thousand, thirty-nine".