29019939 has 16 divisors (see below), whose sum is σ = 42201600. Its totient is φ = 17630496.

The previous prime is 29019931. The next prime is 29019943. The reversal of 29019939 is 93991092.

It is a happy number.

It is not a de Polignac number, because 29019939 - 2³ = 29019931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29019939.

It is not an unprimeable number, because it can be changed into a prime (29019931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1629 + ... + 7790.

It is an arithmetic number, because the mean of its divisors is an integer number (2637600).

Almost surely, 2^29019939 is an apocalyptic number.

29019939 is a deficient number, since it is larger than the sum of its proper divisors (13181661).

29019939 is a wasteful number, since it uses less digits than its factorization.

29019939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9514.

The product of its (nonzero) digits is 39366, while the sum is 42.

The square root of 29019939 is about 5387.0157787035. The cubic root of 29019939 is about 307.3020789950.

The spelling of 29019939 in words is "twenty-nine million, nineteen thousand, nine hundred thirty-nine".