29439028 has 12 divisors (see below), whose sum is σ = 51567012. Its totient is φ = 14705600.

The previous prime is 29438989. The next prime is 29439043. The reversal of 29439028 is 82093492.

It can be written as a sum of positive squares in 2 ways, for example, as 944784 + 28494244 = 972^2 + 5338^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2376 + ... + 8032.

It is an arithmetic number, because the mean of its divisors is an integer number (4297251).

Almost surely, 2^29439028 is an apocalyptic number.

It is an amenable number.

29439028 is a deficient number, since it is larger than the sum of its proper divisors (22127984).

29439028 is a wasteful number, since it uses less digits than its factorization.

29439028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6962 (or 6960 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 29439028 is about 5425.7744147725. The cubic root of 29439028 is about 308.7743069042.

The spelling of 29439028 in words is "twenty-nine million, four hundred thirty-nine thousand, twenty-eight".