29986842 has 16 divisors (see below), whose sum is σ = 60031872. Its totient is φ = 9985920.

The previous prime is 29986823. The next prime is 29986849. The reversal of 29986842 is 24868992.

It is a junction number, because it is equal to n+sod(n) for n = 29986791 and 29986800.

It is not an unprimeable number, because it can be changed into a prime (29986849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7242 + ... + 10602.

It is an arithmetic number, because the mean of its divisors is an integer number (3751992).

Almost surely, 2^29986842 is an apocalyptic number.

29986842 is an abundant number, since it is smaller than the sum of its proper divisors (30045030).

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

29986842 is a wasteful number, since it uses less digits than its factorization.

29986842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853.

The product of its digits is 497664, while the sum is 48.

The square root of 29986842 is about 5476.0242877475. The cubic root of 29986842 is about 310.6778162130.

The spelling of 29986842 in words is "twenty-nine million, nine hundred eighty-six thousand, eight hundred forty-two".