29146389 has 8 divisors (see below), whose sum is σ = 39765792. Its totient is φ = 18978960.

The previous prime is 29146379. The next prime is 29146393. The reversal of 29146389 is 98364192.

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

It is not a de Polignac number, because 29146389 - 2⁵ = 29146357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29146389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29146309) 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, 112842 + ... + 113099.

It is an arithmetic number, because the mean of its divisors is an integer number (4970724).

Almost surely, 2^29146389 is an apocalyptic number.

It is an amenable number.

29146389 is a deficient number, since it is larger than the sum of its proper divisors (10619403).

29146389 is a wasteful number, since it uses less digits than its factorization.

29146389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225987.

The product of its digits is 93312, while the sum is 42.

The square root of 29146389 is about 5398.7395751231. The cubic root of 29146389 is about 307.7477730668.

The spelling of 29146389 in words is "twenty-nine million, one hundred forty-six thousand, three hundred eighty-nine".