29881064 has 16 divisors (see below), whose sum is σ = 56086020. Its totient is φ = 14924800.

The previous prime is 29881063. The next prime is 29881067. The reversal of 29881064 is 46018892.

It can be written as a sum of positive squares in 2 ways, for example, as 27478564 + 2402500 = 5242^2 + 1550^2 .

It is not an unprimeable number, because it can be changed into a prime (29881063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11642 + ... + 13974.

Almost surely, 2^29881064 is an apocalyptic number.

It is an amenable number.

29881064 is a deficient number, since it is larger than the sum of its proper divisors (26204956).

29881064 is a wasteful number, since it uses less digits than its factorization.

29881064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940 (or 3936 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 29881064 is about 5466.3574709307. The cubic root of 29881064 is about 310.3120825244.

The spelling of 29881064 in words is "twenty-nine million, eight hundred eighty-one thousand, sixty-four".