49186090 has 8 divisors (see below), whose sum is σ = 88534980. Its totient is φ = 19674432.

The previous prime is 49186087. The next prime is 49186099. The reversal of 49186090 is 9068194.

49186090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 48762289 + 423801 = 6983^2 + 651^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (49186099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2459295 + ... + 2459314.

Almost surely, 2^49186090 is an apocalyptic number.

49186090 is a deficient number, since it is larger than the sum of its proper divisors (39348890).

49186090 is a wasteful number, since it uses less digits than its factorization.

49186090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4918616.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 49186090 is about 7013.2795466886. The cubic root of 49186090 is about 366.3932240457.

The spelling of 49186090 in words is "forty-nine million, one hundred eighty-six thousand, ninety".