29431468 has 24 divisors (see below), whose sum is σ = 56871360. Its totient is φ = 13215120.

The previous prime is 29431459. The next prime is 29431469. The reversal of 29431468 is 86413492.

It is a super-2 number, since 2×29431468² = 1732422617270048, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (29431469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378 + ... + 7681.

It is an arithmetic number, because the mean of its divisors is an integer number (2369640).

Almost surely, 2^29431468 is an apocalyptic number.

It is an amenable number.

29431468 is a deficient number, since it is larger than the sum of its proper divisors (27439892).

29431468 is a wasteful number, since it uses less digits than its factorization.

29431468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8157 (or 8155 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 29431468 is about 5425.0776952962. The cubic root of 29431468 is about 308.7478733592.

The spelling of 29431468 in words is "twenty-nine million, four hundred thirty-one thousand, four hundred sixty-eight".