29993397 has 8 divisors (see below), whose sum is σ = 45704256. Its totient is φ = 17139072.

The previous prime is 29993371. The next prime is 29993407. The reversal of 29993397 is 79339992.

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

It is not a de Polignac number, because 29993397 - 2⁶ = 29993333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29993297) 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, 714108 + ... + 714149.

It is an arithmetic number, because the mean of its divisors is an integer number (5713032).

Almost surely, 2^29993397 is an apocalyptic number.

It is an amenable number.

29993397 is a deficient number, since it is larger than the sum of its proper divisors (15710859).

29993397 is a wasteful number, since it uses less digits than its factorization.

29993397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428267.

The product of its digits is 826686, while the sum is 51.

The square root of 29993397 is about 5476.6227732061. The cubic root of 29993397 is about 310.7004521935.

The spelling of 29993397 in words is "twenty-nine million, nine hundred ninety-three thousand, three hundred ninety-seven".