29040493 has 4 divisors (see below), whose sum is σ = 30568960. Its totient is φ = 27512028.

The previous prime is 29040463. The next prime is 29040497. The reversal of 29040493 is 39404092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29040493 - 2⁵ = 29040461 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 (29040497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764205 + ... + 764242.

It is an arithmetic number, because the mean of its divisors is an integer number (7642240).

Almost surely, 2^29040493 is an apocalyptic number.

It is an amenable number.

29040493 is a deficient number, since it is larger than the sum of its proper divisors (1528467).

29040493 is a wasteful number, since it uses less digits than its factorization.

29040493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528466.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 29040493 is about 5388.9231762941. The cubic root of 29040493 is about 307.3746129897.

The spelling of 29040493 in words is "twenty-nine million, forty thousand, four hundred ninety-three".