29971386 has 24 divisors (see below), whose sum is σ = 65373984. Its totient is φ = 9923400.

The previous prime is 29971363. The next prime is 29971393. The reversal of 29971386 is 68317992.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2796 + ... + 8231.

It is an arithmetic number, because the mean of its divisors is an integer number (2723916).

Almost surely, 2^29971386 is an apocalyptic number.

29971386 is an abundant number, since it is smaller than the sum of its proper divisors (35402598).

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

29971386 is a wasteful number, since it uses less digits than its factorization.

29971386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11186 (or 11183 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 29971386 is about 5474.6128630251. The cubic root of 29971386 is about 310.6244298915.

The spelling of 29971386 in words is "twenty-nine million, nine hundred seventy-one thousand, three hundred eighty-six".