49998378 has 16 divisors (see below), whose sum is σ = 103445280. Its totient is φ = 16091376.

The previous prime is 49998371. The next prime is 49998397. The reversal of 49998378 is 87389994.

It is not an unprimeable number, because it can be changed into a prime (49998371) 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, 143500 + ... + 143847.

It is an arithmetic number, because the mean of its divisors is an integer number (6465330).

Almost surely, 2^49998378 is an apocalyptic number.

49998378 is an abundant number, since it is smaller than the sum of its proper divisors (53446902).

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

49998378 is a wasteful number, since it uses less digits than its factorization.

49998378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287381.

The product of its digits is 3919104, while the sum is 57.

The square root of 49998378 is about 7070.9531182154. The cubic root of 49998378 is about 368.3991661549.

The spelling of 49998378 in words is "forty-nine million, nine hundred ninety-eight thousand, three hundred seventy-eight".