29938275 has 48 divisors (see below), whose sum is σ = 58255200. Its totient is φ = 15022080.

The previous prime is 29938273. The next prime is 29938301. The reversal of 29938275 is 57283992.

It is not a de Polignac number, because 29938275 - 2¹ = 29938273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 29938275.

It is not an unprimeable number, because it can be changed into a prime (29938273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10171 + ... + 12779.

It is an arithmetic number, because the mean of its divisors is an integer number (1213650).

Almost surely, 2^29938275 is an apocalyptic number.

29938275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29938275 is a deficient number, since it is larger than the sum of its proper divisors (28316925).

29938275 is a wasteful number, since it uses less digits than its factorization.

29938275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645 (or 2634 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 29938275 is about 5471.5879779092. The cubic root of 29938275 is about 310.5099999113.

The spelling of 29938275 in words is "twenty-nine million, nine hundred thirty-eight thousand, two hundred seventy-five".