29144436 has 12 divisors (see below), whose sum is σ = 68003712. Its totient is φ = 9714808.

The previous prime is 29144429. The next prime is 29144441. The reversal of 29144436 is 63444192.

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

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 29144397 and 29144406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214340 + ... + 1214363.

It is an arithmetic number, because the mean of its divisors is an integer number (5666976).

Almost surely, 2^29144436 is an apocalyptic number.

It is an amenable number.

29144436 is an abundant number, since it is smaller than the sum of its proper divisors (38859276).

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

29144436 is a wasteful number, since it uses less digits than its factorization.

29144436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428710 (or 2428708 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 29144436 is about 5398.5586965411. The cubic root of 29144436 is about 307.7408992041.

The spelling of 29144436 in words is "twenty-nine million, one hundred forty-four thousand, four hundred thirty-six".