29864490 has 32 divisors (see below), whose sum is σ = 74148480. Its totient is φ = 7689024.

The previous prime is 29864467. The next prime is 29864491. The reversal of 29864490 is 9446892.

It is not an unprimeable number, because it can be changed into a prime (29864491) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16294 + ... + 18033.

It is an arithmetic number, because the mean of its divisors is an integer number (2317140).

Almost surely, 2^29864490 is an apocalyptic number.

29864490 is an abundant number, since it is smaller than the sum of its proper divisors (44283990).

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

29864490 is a wasteful number, since it uses less digits than its factorization.

29864490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34366.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 29864490 is about 5464.8412602746. The cubic root of 29864490 is about 310.2546987618.

The spelling of 29864490 in words is "twenty-nine million, eight hundred sixty-four thousand, four hundred ninety".