29319949 has 4 divisors (see below), whose sum is σ = 29331900. Its totient is φ = 29308000.

The previous prime is 29319943. The next prime is 29319959. The reversal of 29319949 is 94991392.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 964324 + 28355625 = 982^2 + 5325^2 .

It is a cyclic number.

It is not a de Polignac number, because 29319949 - 2¹¹ = 29317901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29319899 and 29319908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29319943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802 + ... + 7699.

It is an arithmetic number, because the mean of its divisors is an integer number (7332975).

Almost surely, 2^29319949 is an apocalyptic number.

It is an amenable number.

29319949 is a deficient number, since it is larger than the sum of its proper divisors (11951).

29319949 is an equidigital number, since it uses as much as digits as its factorization.

29319949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11950.

The product of its digits is 157464, while the sum is 46.

The square root of 29319949 is about 5414.7898389504. The cubic root of 29319949 is about 308.3574201457.

It can be divided in two parts, 2931 and 9949, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 29319949 in words is "twenty-nine million, three hundred nineteen thousand, nine hundred forty-nine".