29247993 has 16 divisors (see below), whose sum is σ = 43652160. Its totient is φ = 19353888.

The previous prime is 29247991. The next prime is 29248027. The reversal of 29247993 is 39974292.

29247993 is a `hidden beast` number, since 2 + 92 + 479 + 93 = 666.

It is not a de Polignac number, because 29247993 - 2¹ = 29247991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29247991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255 + ... + 7652.

It is an arithmetic number, because the mean of its divisors is an integer number (2728260).

Almost surely, 2^29247993 is an apocalyptic number.

It is an amenable number.

29247993 is a deficient number, since it is larger than the sum of its proper divisors (14404167).

29247993 is a wasteful number, since it uses less digits than its factorization.

29247993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8053 (or 8047 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 29247993 is about 5408.1413627974. The cubic root of 29247993 is about 308.1049601516.

The spelling of 29247993 in words is "twenty-nine million, two hundred forty-seven thousand, nine hundred ninety-three".