49686330 has 64 divisors (see below), whose sum is σ = 127670400. Its totient is φ = 12337920.

The previous prime is 49686313. The next prime is 49686347. The reversal of 49686330 is 3368694.

It is an interprime number because it is at equal distance from previous prime (49686313) and next prime (49686347).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34056 + ... + 35484.

It is an arithmetic number, because the mean of its divisors is an integer number (1994850).

Almost surely, 2^49686330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49686330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63835200).

49686330 is an abundant number, since it is smaller than the sum of its proper divisors (77984070).

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

49686330 is a wasteful number, since it uses less digits than its factorization.

49686330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 49686330 is about 7048.8530981997. The cubic root of 49686330 is about 367.6311531516.

The spelling of 49686330 in words is "forty-nine million, six hundred eighty-six thousand, three hundred thirty".