29871042 has 32 divisors (see below), whose sum is σ = 63189504. Its totient is φ = 9398400.

The previous prime is 29871041. The next prime is 29871071. The reversal of 29871042 is 24017892.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 29870994 and 29871012.

It is not an unprimeable number, because it can be changed into a prime (29871041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5668 + ... + 9584.

It is an arithmetic number, because the mean of its divisors is an integer number (1974672).

Almost surely, 2^29871042 is an apocalyptic number.

29871042 is an abundant number, since it is smaller than the sum of its proper divisors (33318462).

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

29871042 is a wasteful number, since it uses less digits than its factorization.

29871042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 29871042 is about 5465.4406958634. The cubic root of 29871042 is about 310.2773861311.

The spelling of 29871042 in words is "twenty-nine million, eight hundred seventy-one thousand, forty-two".