49285890 has 48 divisors (see below), whose sum is σ = 135685368. Its totient is φ = 12369408.

The previous prime is 49285889. The next prime is 49285891. The reversal of 49285890 is 9858294.

49285890 is a `hidden beast` number, since 49 + 28 + 589 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (49285889) and next prime (49285891).

It can be written as a sum of positive squares in 4 ways, for example, as 49154121 + 131769 = 7011^2 + 363^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (49285891) 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, 14577 + ... + 17636.

Almost surely, 2^49285890 is an apocalyptic number.

49285890 is an abundant number, since it is smaller than the sum of its proper divisors (86399478).

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

49285890 is a wasteful number, since it uses less digits than its factorization.

49285890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32243 (or 32240 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 49285890 is about 7020.3910147512. The cubic root of 49285890 is about 366.6408641163.

The spelling of 49285890 in words is "forty-nine million, two hundred eighty-five thousand, eight hundred ninety".