49678 has 8 divisors (see below), whose sum is σ = 75960. Its totient is φ = 24360.

The previous prime is 49669. The next prime is 49681. The reversal of 49678 is 87694.

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

It is a d-powerful number, because it can be written as 4² + 9² + 6 + 7⁵ + 8⁵ .

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

It is a congruent number.

It is an unprimeable number.

49678 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, 93 + ... + 328.

It is an arithmetic number, because the mean of its divisors is an integer number (9495).

2⁴⁹⁶⁷⁸ is an apocalyptic number.

49678 is a deficient number, since it is larger than the sum of its proper divisors (26282).

49678 is a wasteful number, since it uses less digits than its factorization.

49678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482.

The product of its digits is 12096, while the sum is 34.

The square root of 49678 is about 222.8856208911. The cubic root of 49678 is about 36.7610607335.

It can be divided in two parts, 49 and 678, that added together give a palindrome (727).

The spelling of 49678 in words is "forty-nine thousand, six hundred seventy-eight".