29794139 has 8 divisors (see below), whose sum is σ = 30989760. Its totient is φ = 28619136.

The previous prime is 29794117. The next prime is 29794153. The reversal of 29794139 is 93149792.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29794139 - 2²⁴ = 13016923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29794139.

It is not an unprimeable number, because it can be changed into a prime (29794159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2174 + ... + 8019.

It is an arithmetic number, because the mean of its divisors is an integer number (3873720).

Almost surely, 2^29794139 is an apocalyptic number.

29794139 is a deficient number, since it is larger than the sum of its proper divisors (1195621).

29794139 is a wasteful number, since it uses less digits than its factorization.

29794139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10309.

The product of its digits is 122472, while the sum is 44.

The square root of 29794139 is about 5458.4007731203. The cubic root of 29794139 is about 310.0108875815.

The spelling of 29794139 in words is "twenty-nine million, seven hundred ninety-four thousand, one hundred thirty-nine".