29986974 has 12 divisors (see below), whose sum is σ = 64971816. Its totient is φ = 9995652.

The previous prime is 29986973. The next prime is 29986981. The reversal of 29986974 is 47968992.

It is a self number, because there is not a number n which added to its sum of digits gives 29986974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29986973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 832954 + ... + 832989.

It is an arithmetic number, because the mean of its divisors is an integer number (5414318).

Almost surely, 2^29986974 is an apocalyptic number.

29986974 is an abundant number, since it is smaller than the sum of its proper divisors (34984842).

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

29986974 is a wasteful number, since it uses less digits than its factorization.

29986974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665951 (or 1665948 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 29986974 is about 5476.0363402739. The cubic root of 29986974 is about 310.6782720731.

The spelling of 29986974 in words is "twenty-nine million, nine hundred eighty-six thousand, nine hundred seventy-four".