48393813 has 16 divisors (see below), whose sum is σ = 70471296. Its totient is φ = 29359680.

The previous prime is 48393811. The next prime is 48393827. The reversal of 48393813 is 31839384.

It is not a de Polignac number, because 48393813 - 2¹ = 48393811 is a prime.

It is a super-2 number, since 2×48393813² = 4683922273357938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48393811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5970 + ... + 11507.

It is an arithmetic number, because the mean of its divisors is an integer number (4404456).

Almost surely, 2^48393813 is an apocalyptic number.

It is an amenable number.

48393813 is a deficient number, since it is larger than the sum of its proper divisors (22077483).

48393813 is a wasteful number, since it uses less digits than its factorization.

48393813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17564.

The product of its digits is 62208, while the sum is 39.

The square root of 48393813 is about 6956.5661787983. The cubic root of 48393813 is about 364.4153095891.

It can be divided in two parts, 4839381 and 3, that added together give a palindrome (4839384).

The spelling of 48393813 in words is "forty-eight million, three hundred ninety-three thousand, eight hundred thirteen".