48918939 has 16 divisors (see below), whose sum is σ = 69436800. Its totient is φ = 30545856.

The previous prime is 48918917. The next prime is 48918941. The reversal of 48918939 is 93981984.

It is a happy number.

It is not a de Polignac number, because 48918939 - 2¹² = 48914843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48918891 and 48918900.

It is not an unprimeable number, because it can be changed into a prime (48918959) 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, 252 + ... + 9894.

It is an arithmetic number, because the mean of its divisors is an integer number (4339800).

Almost surely, 2^48918939 is an apocalyptic number.

48918939 is a deficient number, since it is larger than the sum of its proper divisors (20517861).

48918939 is a wasteful number, since it uses less digits than its factorization.

48918939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9754.

The product of its digits is 559872, while the sum is 51.

The square root of 48918939 is about 6994.2075319510. The cubic root of 48918939 is about 365.7286725661.

The spelling of 48918939 in words is "forty-eight million, nine hundred eighteen thousand, nine hundred thirty-nine".