48709890 has 64 divisors (see below), whose sum is σ = 130636800. Its totient is φ = 12915072.

The previous prime is 48709889. The next prime is 48709933. The reversal of 48709890 is 9890784.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59806 + ... + 60614.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 2^48709890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48709890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65318400).

48709890 is an abundant number, since it is smaller than the sum of its proper divisors (81926910).

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

48709890 is a wasteful number, since it uses less digits than its factorization.

48709890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 48709890 is about 6979.2470940639. The cubic root of 48709890 is about 365.2069633779.

The spelling of 48709890 in words is "forty-eight million, seven hundred nine thousand, eight hundred ninety".