29253393 has 30 divisors (see below), whose sum is σ = 47341734. Its totient is φ = 17993664.

The previous prime is 29253391. The next prime is 29253397. The reversal of 29253393 is 39335292.

It can be written as a sum of positive squares in 3 ways, for example, as 2286144 + 26967249 = 1512^2 + 5193^2 .

It is not a de Polignac number, because 29253393 - 2¹ = 29253391 is a prime.

It is a super-2 number, since 2×29253393² = 1711522004024898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29253391) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 12621 + ... + 14757.

Almost surely, 2^29253393 is an apocalyptic number.

It is an amenable number.

29253393 is a deficient number, since it is larger than the sum of its proper divisors (18088341).

29253393 is a wasteful number, since it uses less digits than its factorization.

29253393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175 (or 2153 counting only the distinct ones).

The product of its digits is 43740, while the sum is 36.

The square root of 29253393 is about 5408.6405870607. The cubic root of 29253393 is about 308.1239205911.

It can be divided in two parts, 29253 and 393, that added together give a triangular number (29646 = T₂₄₃).

The spelling of 29253393 in words is "twenty-nine million, two hundred fifty-three thousand, three hundred ninety-three".