29971146 has 16 divisors (see below), whose sum is σ = 60525504. Its totient is φ = 9893184.

The previous prime is 29971133. The next prime is 29971169. The reversal of 29971146 is 64117992.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23631 + ... + 24866.

It is an arithmetic number, because the mean of its divisors is an integer number (3782844).

Almost surely, 2^29971146 is an apocalyptic number.

29971146 is an abundant number, since it is smaller than the sum of its proper divisors (30554358).

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

29971146 is a wasteful number, since it uses less digits than its factorization.

29971146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48605.

The product of its digits is 27216, while the sum is 39.

The square root of 29971146 is about 5474.5909436231. The cubic root of 29971146 is about 310.6236007667.

The spelling of 29971146 in words is "twenty-nine million, nine hundred seventy-one thousand, one hundred forty-six".