29825838 has 24 divisors (see below), whose sum is σ = 73854768. Its totient is φ = 8521632.

The previous prime is 29825821. The next prime is 29825867. The reversal of 29825838 is 83852892.

It is a super-2 number, since 2×29825838² = 1779161224804488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29825793 and 29825802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118231 + ... + 118482.

It is an arithmetic number, because the mean of its divisors is an integer number (3077282).

Almost surely, 2^29825838 is an apocalyptic number.

29825838 is an abundant number, since it is smaller than the sum of its proper divisors (44028930).

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

29825838 is a wasteful number, since it uses less digits than its factorization.

29825838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236728 (or 236725 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 29825838 is about 5461.3036905120. The cubic root of 29825838 is about 310.1207923302.

The spelling of 29825838 in words is "twenty-nine million, eight hundred twenty-five thousand, eight hundred thirty-eight".