29242857 has 24 divisors (see below), whose sum is σ = 45568992. Its totient is φ = 16632000.

The previous prime is 29242853. The next prime is 29242861. The reversal of 29242857 is 75824292.

It is an interprime number because it is at equal distance from previous prime (29242853) and next prime (29242861).

It is not a de Polignac number, because 29242857 - 2² = 29242853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29242853) 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, 48357 + ... + 48957.

It is an arithmetic number, because the mean of its divisors is an integer number (1898708).

Almost surely, 2^29242857 is an apocalyptic number.

It is an amenable number.

29242857 is a deficient number, since it is larger than the sum of its proper divisors (16326135).

29242857 is a wasteful number, since it uses less digits than its factorization.

29242857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949 (or 942 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 29242857 is about 5407.6665022910. Note that the first 3 decimals coincide. The cubic root of 29242857 is about 308.0869245015.

It can be divided in two parts, 2924285 and 7, that added together give a palindrome (2924292).

The spelling of 29242857 in words is "twenty-nine million, two hundred forty-two thousand, eight hundred fifty-seven".