29980986 has 16 divisors (see below), whose sum is σ = 68528064. Its totient is φ = 8565984.

The previous prime is 29980969. The next prime is 29980997. The reversal of 29980986 is 68908992.

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, 356875 + ... + 356958.

It is an arithmetic number, because the mean of its divisors is an integer number (4283004).

Almost surely, 2^29980986 is an apocalyptic number.

29980986 is an abundant number, since it is smaller than the sum of its proper divisors (38547078).

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

29980986 is a wasteful number, since it uses less digits than its factorization.

29980986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713845.

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 29980986 is about 5475.4895671529. The cubic root of 29980986 is about 310.6575912564.

The spelling of 29980986 in words is "twenty-nine million, nine hundred eighty thousand, nine hundred eighty-six".