49240857 has 8 divisors (see below), whose sum is σ = 69516576. Its totient is φ = 30896192.

The previous prime is 49240813. The next prime is 49240871. The reversal of 49240857 is 75804294.

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 49240857 - 2⁷ = 49240729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49240897) 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, 482703 + ... + 482804.

It is an arithmetic number, because the mean of its divisors is an integer number (8689572).

Almost surely, 2^49240857 is an apocalyptic number.

It is an amenable number.

49240857 is a deficient number, since it is larger than the sum of its proper divisors (20275719).

49240857 is a wasteful number, since it uses less digits than its factorization.

49240857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965527.

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

The square root of 49240857 is about 7017.1829817955. The cubic root of 49240857 is about 366.5291623066.

The spelling of 49240857 in words is "forty-nine million, two hundred forty thousand, eight hundred fifty-seven".