48018399 has 32 divisors (see below), whose sum is σ = 75769344. Its totient is φ = 26666880.

The previous prime is 48018391. The next prime is 48018409. The reversal of 48018399 is 99381084.

It is not a de Polignac number, because 48018399 - 2³ = 48018391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48018399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48018391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73894 + ... + 74540.

It is an arithmetic number, because the mean of its divisors is an integer number (2367792).

Almost surely, 2^48018399 is an apocalyptic number.

48018399 is a deficient number, since it is larger than the sum of its proper divisors (27750945).

48018399 is a wasteful number, since it uses less digits than its factorization.

48018399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 48018399 is about 6929.5309365065. The cubic root of 48018399 is about 363.4705476371.

The spelling of 48018399 in words is "forty-eight million, eighteen thousand, three hundred ninety-nine".