29884940 has 12 divisors (see below), whose sum is σ = 62758416. Its totient is φ = 11953968.

The previous prime is 29884913. The next prime is 29884949. The reversal of 29884940 is 4948892.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 29884891 and 29884900.

It is not an unprimeable number, because it can be changed into a prime (29884949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747104 + ... + 747143.

It is an arithmetic number, because the mean of its divisors is an integer number (5229868).

Almost surely, 2^29884940 is an apocalyptic number.

29884940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29884940 is an abundant number, since it is smaller than the sum of its proper divisors (32873476).

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

29884940 is a wasteful number, since it uses less digits than its factorization.

29884940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494256 (or 1494254 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 29884940 is about 5466.7119916820. The cubic root of 29884940 is about 310.3254992447.

The spelling of 29884940 in words is "twenty-nine million, eight hundred eighty-four thousand, nine hundred forty".