29918039 has 2 divisors, whose sum is σ = 29918040. Its totient is φ = 29918038.

The previous prime is 29918029. The next prime is 29918059. The reversal of 29918039 is 93081992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29918039 - 2¹⁶ = 29852503 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 29917987 and 29918005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29918029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14959019 + 14959020.

It is an arithmetic number, because the mean of its divisors is an integer number (14959020).

Almost surely, 2^29918039 is an apocalyptic number.

29918039 is a deficient number, since it is larger than the sum of its proper divisors (1).

29918039 is an equidigital number, since it uses as much as digits as its factorization.

29918039 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 41.

The square root of 29918039 is about 5469.7384763807. The cubic root of 29918039 is about 310.4400237508.

The spelling of 29918039 in words is "twenty-nine million, nine hundred eighteen thousand, thirty-nine".