29939045 has 6 divisors (see below), whose sum is σ = 35941542. Its totient is φ = 23941448.

The previous prime is 29939027. The next prime is 29939053. The reversal of 29939045 is 54093992.

It can be written as a sum of positive squares in only one way, i.e., 23951236 + 5987809 = 4894^2 + 2447^2 .

It is not a de Polignac number, because 29939045 - 2⁶ = 29938981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29938993 and 29939011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11012 + ... + 13458.

It is an arithmetic number, because the mean of its divisors is an integer number (5990257).

Almost surely, 2^29939045 is an apocalyptic number.

It is an amenable number.

29939045 is a deficient number, since it is larger than the sum of its proper divisors (6002497).

29939045 is an frugal number, since it uses more digits than its factorization.

29939045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4899 (or 2452 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 29939045 is about 5471.6583409420. The cubic root of 29939045 is about 310.5126619512.

The spelling of 29939045 in words is "twenty-nine million, nine hundred thirty-nine thousand, forty-five".