48686891 has 6 divisors (see below), whose sum is σ = 53515476. Its totient is φ = 44260700.

The previous prime is 48686881. The next prime is 48686893. The reversal of 48686891 is 19868684.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-48686891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48686893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201065 + ... + 201306.

It is an arithmetic number, because the mean of its divisors is an integer number (8919246).

Almost surely, 2^48686891 is an apocalyptic number.

48686891 is a deficient number, since it is larger than the sum of its proper divisors (4828585).

48686891 is a wasteful number, since it uses less digits than its factorization.

48686891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402393 (or 402382 counting only the distinct ones).

The product of its digits is 663552, while the sum is 50.

The square root of 48686891 is about 6977.5992289612. The cubic root of 48686891 is about 365.1494752767.

The spelling of 48686891 in words is "forty-eight million, six hundred eighty-six thousand, eight hundred ninety-one".