29013931 has 12 divisors (see below), whose sum is σ = 30861000. Its totient is φ = 27272448.

The previous prime is 29013889. The next prime is 29013953. The reversal of 29013931 is 13931092.

It is not a de Polignac number, because 29013931 - 2¹⁷ = 28882859 is a prime.

It is a super-2 number, since 2×29013931² = 1683616384145522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29013931.

It is not an unprimeable number, because it can be changed into a prime (29013431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64395 + ... + 64843.

It is an arithmetic number, because the mean of its divisors is an integer number (2571750).

Almost surely, 2^29013931 is an apocalyptic number.

29013931 is a deficient number, since it is larger than the sum of its proper divisors (1847069).

29013931 is a wasteful number, since it uses less digits than its factorization.

29013931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 29013931 is about 5386.4581127119. The cubic root of 29013931 is about 307.2808706077.

The spelling of 29013931 in words is "twenty-nine million, thirteen thousand, nine hundred thirty-one".