48638220 has 48 divisors (see below), whose sum is σ = 140888160. Its totient is φ = 12522496.

The previous prime is 48638209. The next prime is 48638231. The reversal of 48638220 is 2283684.

It is an interprime number because it is at equal distance from previous prime (48638209) and next prime (48638231).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12237 + ... + 15716.

It is an arithmetic number, because the mean of its divisors is an integer number (2935170).

Almost surely, 2^48638220 is an apocalyptic number.

It is an amenable number.

48638220 is an abundant number, since it is smaller than the sum of its proper divisors (92249940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48638220 is a wasteful number, since it uses less digits than its factorization.

48638220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27994 (or 27992 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 48638220 is about 6974.1106959956. The cubic root of 48638220 is about 365.0277579440.

The spelling of 48638220 in words is "forty-eight million, six hundred thirty-eight thousand, two hundred twenty".