49386020 has 24 divisors (see below), whose sum is σ = 109812024. Its totient is φ = 18592256.

The previous prime is 49386019. The next prime is 49386041. The reversal of 49386020 is 2068394.

It can be written as a sum of positive squares in 4 ways, for example, as 6666724 + 42719296 = 2582^2 + 6536^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72287 + ... + 72966.

It is an arithmetic number, because the mean of its divisors is an integer number (4575501).

Almost surely, 2^49386020 is an apocalyptic number.

It is an amenable number.

49386020 is an abundant number, since it is smaller than the sum of its proper divisors (60426004).

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

49386020 is a wasteful number, since it uses less digits than its factorization.

49386020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145279 (or 145277 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 49386020 is about 7027.5187655388. The cubic root of 49386020 is about 366.8889873037. Note that the first 3 decimals are identical.

The spelling of 49386020 in words is "forty-nine million, three hundred eighty-six thousand, twenty".