29939497 has 8 divisors (see below), whose sum is σ = 36017600. Its totient is φ = 24311664.

The previous prime is 29939489. The next prime is 29939519. The reversal of 29939497 is 79493992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29939497 - 2³ = 29939489 is a prime.

It is a super-2 number, since 2×29939497² = 1792746961226018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29939467) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 112422 + ... + 112687.

It is an arithmetic number, because the mean of its divisors is an integer number (4502200).

Almost surely, 2^29939497 is an apocalyptic number.

It is an amenable number.

29939497 is a deficient number, since it is larger than the sum of its proper divisors (6078103).

29939497 is a wasteful number, since it uses less digits than its factorization.

29939497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225135.

The product of its digits is 1102248, while the sum is 52.

The square root of 29939497 is about 5471.6996445346. The cubic root of 29939497 is about 310.5142245820.

The spelling of 29939497 in words is "twenty-nine million, nine hundred thirty-nine thousand, four hundred ninety-seven".