29229939 has 24 divisors (see below), whose sum is σ = 43130880. Its totient is φ = 19072368.

The previous prime is 29229929. The next prime is 29230009. The reversal of 29229939 is 93992292.

29229939 = T₄₁₂ + T₄₁₃ + ... + T₆₂₅.

It is not a de Polignac number, because 29229939 - 2⁹ = 29229427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29229894 and 29229903.

It is not an unprimeable number, because it can be changed into a prime (29229929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122182 + ... + 122420.

It is an arithmetic number, because the mean of its divisors is an integer number (1797120).

Almost surely, 2^29229939 is an apocalyptic number.

29229939 is a deficient number, since it is larger than the sum of its proper divisors (13900941).

29229939 is a wasteful number, since it uses less digits than its factorization.

29229939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 476 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 29229939 is about 5406.4719549814. The cubic root of 29229939 is about 308.0415521328.

The spelling of 29229939 in words is "twenty-nine million, two hundred twenty-nine thousand, nine hundred thirty-nine".