49389236 has 18 divisors (see below), whose sum is σ = 93592422. Its totient is φ = 22794720.

The previous prime is 49389229. The next prime is 49389247. The reversal of 49389236 is 63298394.

It can be written as a sum of positive squares in 3 ways, for example, as 4579600 + 44809636 = 2140^2 + 6694^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35855 + ... + 37206.

It is an arithmetic number, because the mean of its divisors is an integer number (5199579).

Almost surely, 2^49389236 is an apocalyptic number.

It is an amenable number.

49389236 is a deficient number, since it is larger than the sum of its proper divisors (44203186).

49389236 is a wasteful number, since it uses less digits than its factorization.

49389236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73091 (or 73076 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The square root of 49389236 is about 7027.7475765710. The cubic root of 49389236 is about 366.8969510241.

The spelling of 49389236 in words is "forty-nine million, three hundred eighty-nine thousand, two hundred thirty-six".