29138379 has 8 divisors (see below), whose sum is σ = 38879952. Its totient is φ = 19411200.

The previous prime is 29138377. The next prime is 29138383. The reversal of 29138379 is 97383192.

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

It is not a de Polignac number, because 29138379 - 2¹ = 29138377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29138379.

It is not an unprimeable number, because it can be changed into a prime (29138377) 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, 2707 + ... + 8099.

It is an arithmetic number, because the mean of its divisors is an integer number (4859994).

Almost surely, 2^29138379 is an apocalyptic number.

29138379 is a deficient number, since it is larger than the sum of its proper divisors (9741573).

29138379 is a wasteful number, since it uses less digits than its factorization.

29138379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7197.

The product of its digits is 81648, while the sum is 42.

The square root of 29138379 is about 5397.9976843270. The cubic root of 29138379 is about 307.7195787736.

The spelling of 29138379 in words is "twenty-nine million, one hundred thirty-eight thousand, three hundred seventy-nine".