49828009 has 8 divisors (see below), whose sum is σ = 62123328. Its totient is φ = 38826960.

The previous prime is 49828007. The next prime is 49828019. The reversal of 49828009 is 90082894.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 49828009 - 2¹ = 49828007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49828007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323482 + ... + 323635.

It is an arithmetic number, because the mean of its divisors is an integer number (7765416).

Almost surely, 2^49828009 is an apocalyptic number.

It is an amenable number.

49828009 is a deficient number, since it is larger than the sum of its proper divisors (12295319).

49828009 is a wasteful number, since it uses less digits than its factorization.

49828009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647135.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 49828009 is about 7058.8957351699. The cubic root of 49828009 is about 367.9802510865.

The spelling of 49828009 in words is "forty-nine million, eight hundred twenty-eight thousand, nine".