29990293 has 2 divisors, whose sum is σ = 29990294. Its totient is φ = 29990292.

The previous prime is 29990291. The next prime is 29990327. The reversal of 29990293 is 39209992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29844369 + 145924 = 5463^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 29990293 - 2¹ = 29990291 is a prime.

Together with 29990291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29990291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14995146 + 14995147.

It is an arithmetic number, because the mean of its divisors is an integer number (14995147).

Almost surely, 2^29990293 is an apocalyptic number.

It is an amenable number.

29990293 is a deficient number, since it is larger than the sum of its proper divisors (1).

29990293 is an equidigital number, since it uses as much as digits as its factorization.

29990293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 29990293 is about 5476.3393795491. The cubic root of 29990293 is about 310.6897337513.

The spelling of 29990293 in words is "twenty-nine million, nine hundred ninety thousand, two hundred ninety-three".