49278 has 16 divisors (see below), whose sum is σ = 101376. Its totient is φ = 15960.

The previous prime is 49277. The next prime is 49279. The reversal of 49278 is 87294.

49278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49277) and next prime (49279).

It is an Ulam number.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 49278.

It is not an unprimeable number, because it can be changed into a prime (49277) 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, 163 + ... + 353.

It is an arithmetic number, because the mean of its divisors is an integer number (6336).

2⁴⁹²⁷⁸ is an apocalyptic number.

49278 is an abundant number, since it is smaller than the sum of its proper divisors (52098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50688).

49278 is a wasteful number, since it uses less digits than its factorization.

49278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239.

The product of its digits is 4032, while the sum is 30.

The square root of 49278 is about 221.9864860752. The cubic root of 49278 is about 36.6621298335.

Multiplying 49278 by its sum of digits (30), we get a triangular number (1478340 = T₁₇₁₉).

The spelling of 49278 in words is "forty-nine thousand, two hundred seventy-eight".