49285239 has 24 divisors (see below), whose sum is σ = 69884880. Its totient is φ = 30858240.

The previous prime is 49285231. The next prime is 49285241. The reversal of 49285239 is 93258294.

It is not a de Polignac number, because 49285239 - 2³ = 49285231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49285239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49285231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146079 + ... + 146415.

It is an arithmetic number, because the mean of its divisors is an integer number (2911870).

Almost surely, 2^49285239 is an apocalyptic number.

49285239 is a deficient number, since it is larger than the sum of its proper divisors (20599641).

49285239 is a wasteful number, since it uses less digits than its factorization.

49285239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 410 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 49285239 is about 7020.3446496593. The cubic root of 49285239 is about 366.6392498325.

The spelling of 49285239 in words is "forty-nine million, two hundred eighty-five thousand, two hundred thirty-nine".