29257842 has 8 divisors (see below), whose sum is σ = 58515696. Its totient is φ = 9752612.

The previous prime is 29257807. The next prime is 29257859. The reversal of 29257842 is 24875292.

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

29257842 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 29257842.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2438148 + ... + 2438159.

It is an arithmetic number, because the mean of its divisors is an integer number (7314462).

Almost surely, 2^29257842 is an apocalyptic number.

29257842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29257842 is a wasteful number, since it uses less digits than its factorization.

29257842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4876312.

The product of its digits is 80640, while the sum is 39.

The square root of 29257842 is about 5409.0518577658. The cubic root of 29257842 is about 308.1395401335.

The spelling of 29257842 in words is "twenty-nine million, two hundred fifty-seven thousand, eight hundred forty-two".