49836909 has 8 divisors (see below), whose sum is σ = 66493152. Its totient is φ = 33202640.

The previous prime is 49836889. The next prime is 49836923. The reversal of 49836909 is 90963894.

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 49836909 - 2⁷ = 49836781 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49836989) 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, 847 + ... + 10019.

It is an arithmetic number, because the mean of its divisors is an integer number (8311644).

Almost surely, 2^49836909 is an apocalyptic number.

It is an amenable number.

49836909 is a deficient number, since it is larger than the sum of its proper divisors (16656243).

49836909 is a wasteful number, since it uses less digits than its factorization.

49836909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10987.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 49836909 is about 7059.5261172404. The cubic root of 49836909 is about 368.0021586397.

The spelling of 49836909 in words is "forty-nine million, eight hundred thirty-six thousand, nine hundred nine".