29097439 has 4 divisors (see below), whose sum is σ = 33254224. Its totient is φ = 24940656.

The previous prime is 29097407. The next prime is 29097451. The reversal of 29097439 is 93479092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29097439 - 2⁵ = 29097407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29097395 and 29097404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29097239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2078382 + ... + 2078395.

It is an arithmetic number, because the mean of its divisors is an integer number (8313556).

Almost surely, 2^29097439 is an apocalyptic number.

29097439 is a deficient number, since it is larger than the sum of its proper divisors (4156785).

29097439 is an equidigital number, since it uses as much as digits as its factorization.

29097439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156784.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 29097439 is about 5394.2042045143. The cubic root of 29097439 is about 307.5753938559.

The spelling of 29097439 in words is "twenty-nine million, ninety-seven thousand, four hundred thirty-nine".