48686913 has 40 divisors (see below), whose sum is σ = 80917056. Its totient is φ = 28922400.

The previous prime is 48686909. The next prime is 48686917. The reversal of 48686913 is 31968684.

48686913 is a `hidden beast` number, since 486 + 86 + 91 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (48686909) and next prime (48686917).

It is not a de Polignac number, because 48686913 - 2² = 48686909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48686917) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 46708 + ... + 47738.

Almost surely, 2^48686913 is an apocalyptic number.

It is an amenable number.

48686913 is a deficient number, since it is larger than the sum of its proper divisors (32230143).

48686913 is a wasteful number, since it uses less digits than its factorization.

48686913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107 (or 1098 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 48686913 is about 6977.6008054345. The cubic root of 48686913 is about 365.1495302764.

It can be divided in two parts, 4868 and 6913, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 48686913 in words is "forty-eight million, six hundred eighty-six thousand, nine hundred thirteen".