29434638 has 16 divisors (see below), whose sum is σ = 60305616. Its totient is φ = 9572160.

The previous prime is 29434621. The next prime is 29434649. The reversal of 29434638 is 83643492.

It is a junction number, because it is equal to n+sod(n) for n = 29434596 and 29434605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59581 + ... + 60072.

It is an arithmetic number, because the mean of its divisors is an integer number (3769101).

Almost surely, 2^29434638 is an apocalyptic number.

29434638 is an abundant number, since it is smaller than the sum of its proper divisors (30870978).

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

29434638 is a wasteful number, since it uses less digits than its factorization.

29434638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119699.

The product of its digits is 124416, while the sum is 39.

The square root of 29434638 is about 5425.3698491439. The cubic root of 29434638 is about 308.7589578173.

The spelling of 29434638 in words is "twenty-nine million, four hundred thirty-four thousand, six hundred thirty-eight".