49840985 has 4 divisors (see below), whose sum is σ = 59809188. Its totient is φ = 39872784.

The previous prime is 49840951. The next prime is 49840997. The reversal of 49840985 is 58904894.

49840985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5071504 + 44769481 = 2252^2 + 6691^2 .

It is a cyclic number.

It is not a de Polignac number, because 49840985 - 2⁸ = 49840729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 4984094 + ... + 4984103.

It is an arithmetic number, because the mean of its divisors is an integer number (14952297).

Almost surely, 2^49840985 is an apocalyptic number.

It is an amenable number.

49840985 is a deficient number, since it is larger than the sum of its proper divisors (9968203).

49840985 is an equidigital number, since it uses as much as digits as its factorization.

49840985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9968202.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 49840985 is about 7059.8147992706. The cubic root of 49840985 is about 368.0121909359.

The spelling of 49840985 in words is "forty-nine million, eight hundred forty thousand, nine hundred eighty-five".