29951157 has 8 divisors (see below), whose sum is σ = 39996576. Its totient is φ = 19936592.

The previous prime is 29951153. The next prime is 29951189. The reversal of 29951157 is 75115992.

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 29951157 - 2² = 29951153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29951153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5343 + ... + 9404.

It is an arithmetic number, because the mean of its divisors is an integer number (4999572).

Almost surely, 2^29951157 is an apocalyptic number.

It is an amenable number.

29951157 is a deficient number, since it is larger than the sum of its proper divisors (10045419).

29951157 is a wasteful number, since it uses less digits than its factorization.

29951157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15427.

The product of its digits is 28350, while the sum is 39.

The square root of 29951157 is about 5472.7650232766. The cubic root of 29951157 is about 310.5545294892.

The spelling of 29951157 in words is "twenty-nine million, nine hundred fifty-one thousand, one hundred fifty-seven".