29319912 has 24 divisors (see below), whose sum is σ = 79408290. Its totient is φ = 9773280.

The previous prime is 29319911. The next prime is 29319919. The reversal of 29319912 is 21991392.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29095236 + 224676 = 5394^2 + 474^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (29319911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203539 + ... + 203682.

Almost surely, 2^29319912 is an apocalyptic number.

It is an amenable number.

29319912 is an abundant number, since it is smaller than the sum of its proper divisors (50088378).

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

29319912 is a wasteful number, since it uses less digits than its factorization.

29319912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407233 (or 407226 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 29319912 is about 5414.7864223808. The cubic root of 29319912 is about 308.3572904362.

The spelling of 29319912 in words is "twenty-nine million, three hundred nineteen thousand, nine hundred twelve".