29113428 has 12 divisors (see below), whose sum is σ = 67931360. Its totient is φ = 9704472.

The previous prime is 29113421. The next prime is 29113543. The reversal of 29113428 is 82431192.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×29113428² = 1695183379822368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 29113395 and 29113404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29113421) by changing a digit.

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, 1213048 + ... + 1213071.

Almost surely, 2^29113428 is an apocalyptic number.

It is an amenable number.

29113428 is an abundant number, since it is smaller than the sum of its proper divisors (38817932).

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

29113428 is a wasteful number, since it uses less digits than its factorization.

29113428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426126 (or 2426124 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 29113428 is about 5395.6860546181. The cubic root of 29113428 is about 307.6317209490.

The spelling of 29113428 in words is "twenty-nine million, one hundred thirteen thousand, four hundred twenty-eight".