49999146 has 16 divisors (see below), whose sum is σ = 105261600. Its totient is φ = 15789168.

The previous prime is 49999133. The next prime is 49999151. The reversal of 49999146 is 64199994.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219181 + ... + 219408.

It is an arithmetic number, because the mean of its divisors is an integer number (6578850).

Almost surely, 2^49999146 is an apocalyptic number.

49999146 is an abundant number, since it is smaller than the sum of its proper divisors (55262454).

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

49999146 is a wasteful number, since it uses less digits than its factorization.

49999146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438613.

The product of its digits is 629856, while the sum is 51.

The square root of 49999146 is about 7071.0074246885. The cubic root of 49999146 is about 368.4010524102.

The spelling of 49999146 in words is "forty-nine million, nine hundred ninety-nine thousand, one hundred forty-six".