49866378 has 16 divisors (see below), whose sum is σ = 100115136. Its totient is φ = 16558400.

The previous prime is 49866359. The next prime is 49866379. The reversal of 49866378 is 87366894.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49866378.

It is not an unprimeable number, because it can be changed into a prime (49866379) 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, 14223 + ... + 17378.

It is an arithmetic number, because the mean of its divisors is an integer number (6257196).

Almost surely, 2^49866378 is an apocalyptic number.

49866378 is an abundant number, since it is smaller than the sum of its proper divisors (50248758).

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

49866378 is a wasteful number, since it uses less digits than its factorization.

49866378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31869.

The product of its digits is 1741824, while the sum is 51.

The square root of 49866378 is about 7061.6129885459. The cubic root of 49866378 is about 368.0746786456.

The spelling of 49866378 in words is "forty-nine million, eight hundred sixty-six thousand, three hundred seventy-eight".