29988497 has 8 divisors (see below), whose sum is σ = 37388352. Its totient is φ = 23367600.

The previous prime is 29988457. The next prime is 29988499. The reversal of 29988497 is 79488992.

It is a happy number.

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 29988497 - 2⁶ = 29988433 is a prime.

It is a super-3 number, since 3×29988497³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29988499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194654 + ... + 194807.

It is an arithmetic number, because the mean of its divisors is an integer number (4673544).

Almost surely, 2^29988497 is an apocalyptic number.

It is an amenable number.

29988497 is a deficient number, since it is larger than the sum of its proper divisors (7399855).

29988497 is a wasteful number, since it uses less digits than its factorization.

29988497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389479.

The product of its digits is 2612736, while the sum is 56.

The square root of 29988497 is about 5476.1753989440. The cubic root of 29988497 is about 310.6835316345.

The spelling of 29988497 in words is "twenty-nine million, nine hundred eighty-eight thousand, four hundred ninety-seven".