29644142 has 16 divisors (see below), whose sum is σ = 51062400. Its totient is φ = 12765240.

The previous prime is 29644127. The next prime is 29644159. The reversal of 29644142 is 24144692.

It is a junction number, because it is equal to n+sod(n) for n = 29644099 and 29644108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35042 + ... + 35877.

It is an arithmetic number, because the mean of its divisors is an integer number (3191400).

Almost surely, 2^29644142 is an apocalyptic number.

29644142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

29644142 is a deficient number, since it is larger than the sum of its proper divisors (21418258).

29644142 is a wasteful number, since it uses less digits than its factorization.

29644142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70951.

The product of its digits is 13824, while the sum is 32.

The square root of 29644142 is about 5444.6434226678. The cubic root of 29644142 is about 309.4897676705.

The spelling of 29644142 in words is "twenty-nine million, six hundred forty-four thousand, one hundred forty-two".