29812432 has 20 divisors (see below), whose sum is σ = 62205220. Its totient is φ = 13759488.

The previous prime is 29812411. The next prime is 29812477. The reversal of 29812432 is 23421892.

It can be written as a sum of positive squares in 2 ways, for example, as 16679056 + 13133376 = 4084^2 + 3624^2 .

It is a super-2 number, since 2×29812432² = 1777562203509248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29812394 and 29812403.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 71457 + ... + 71872.

It is an arithmetic number, because the mean of its divisors is an integer number (3110261).

Almost surely, 2^29812432 is an apocalyptic number.

It is an amenable number.

29812432 is an abundant number, since it is smaller than the sum of its proper divisors (32392788).

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

29812432 is a wasteful number, since it uses less digits than its factorization.

29812432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143350 (or 143344 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 29812432 is about 5460.0761899446. The cubic root of 29812432 is about 310.0743214102.

The spelling of 29812432 in words is "twenty-nine million, eight hundred twelve thousand, four hundred thirty-two".