48399128 has 8 divisors (see below), whose sum is σ = 90748380. Its totient is φ = 24199560.

The previous prime is 48399103. The next prime is 48399139. The reversal of 48399128 is 82199384.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3024938 + ... + 3024953.

Almost surely, 2^48399128 is an apocalyptic number.

It is an amenable number.

48399128 is a deficient number, since it is larger than the sum of its proper divisors (42349252).

48399128 is a wasteful number, since it uses less digits than its factorization.

48399128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6049897 (or 6049893 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 48399128 is about 6956.9481814945. The cubic root of 48399128 is about 364.4286501131.

The spelling of 48399128 in words is "forty-eight million, three hundred ninety-nine thousand, one hundred twenty-eight".