49857398 has 4 divisors (see below), whose sum is σ = 74786100. Its totient is φ = 24928698.

The previous prime is 49857377. The next prime is 49857403. The reversal of 49857398 is 89375894.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12464348 + ... + 12464351.

It is an arithmetic number, because the mean of its divisors is an integer number (18696525).

Almost surely, 2^49857398 is an apocalyptic number.

49857398 is a deficient number, since it is larger than the sum of its proper divisors (24928702).

49857398 is a wasteful number, since it uses less digits than its factorization.

49857398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24928701.

The product of its digits is 2177280, while the sum is 53.

The square root of 49857398 is about 7060.9771278485. The cubic root of 49857398 is about 368.0525828690.

The spelling of 49857398 in words is "forty-nine million, eight hundred fifty-seven thousand, three hundred ninety-eight".