49858 has 8 divisors (see below), whose sum is σ = 75852. Its totient is φ = 24576.

The previous prime is 49853. The next prime is 49871. The reversal of 49858 is 85894.

It can be written as a sum of positive squares in 2 ways, for example, as 45369 + 4489 = 213^2 + 67^2 .

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

It is an alternating number because its digits alternate between even and odd.

49858 is an undulating number in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49853) by changing a digit.

49858 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66 + ... + 322.

2⁴⁹⁸⁵⁸ is an apocalyptic number.

49858 is a deficient number, since it is larger than the sum of its proper divisors (25994).

49858 is a wasteful number, since it uses less digits than its factorization.

49858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356.

The product of its digits is 11520, while the sum is 34.

The square root of 49858 is about 223.2890503361. The cubic root of 49858 is about 36.8054064206.

The spelling of 49858 in words is "forty-nine thousand, eight hundred fifty-eight".