29864542 has 16 divisors (see below), whose sum is σ = 47370960. Its totient is φ = 14081472.

The previous prime is 29864533. The next prime is 29864543. The reversal of 29864542 is 24546892.

It is a junction number, because it is equal to n+sod(n) for n = 29864495 and 29864504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29864543) 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, 7168 + ... + 10540.

It is an arithmetic number, because the mean of its divisors is an integer number (2960685).

Almost surely, 2^29864542 is an apocalyptic number.

29864542 is a deficient number, since it is larger than the sum of its proper divisors (17506418).

29864542 is a wasteful number, since it uses less digits than its factorization.

29864542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627.

The product of its digits is 138240, while the sum is 40.

The square root of 29864542 is about 5464.8460179588. The cubic root of 29864542 is about 310.2548788333.

The spelling of 29864542 in words is "twenty-nine million, eight hundred sixty-four thousand, five hundred forty-two".