49209684 has 12 divisors (see below), whose sum is σ = 114822624. Its totient is φ = 16403224.

The previous prime is 49209661. The next prime is 49209689. The reversal of 49209684 is 48690294.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49209689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050392 + ... + 2050415.

It is an arithmetic number, because the mean of its divisors is an integer number (9568552).

Almost surely, 2^49209684 is an apocalyptic number.

It is an amenable number.

49209684 is an abundant number, since it is smaller than the sum of its proper divisors (65612940).

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

49209684 is a wasteful number, since it uses less digits than its factorization.

49209684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100814 (or 4100812 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 49209684 is about 7014.9614396659. The cubic root of 49209684 is about 366.4517995484.

The spelling of 49209684 in words is "forty-nine million, two hundred nine thousand, six hundred eighty-four".