48390990 has 16 divisors (see below), whose sum is σ = 116138448. Its totient is φ = 12904256.

The previous prime is 48390989. The next prime is 48391009. The reversal of 48390990 is 9909384.

48390990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806487 + ... + 806546.

It is an arithmetic number, because the mean of its divisors is an integer number (7258653).

Almost surely, 2^48390990 is an apocalyptic number.

48390990 is an abundant number, since it is smaller than the sum of its proper divisors (67747458).

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

48390990 is a wasteful number, since it uses less digits than its factorization.

48390990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613043.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 48390990 is about 6956.3632740104. The cubic root of 48390990 is about 364.4082235289.

The spelling of 48390990 in words is "forty-eight million, three hundred ninety thousand, nine hundred ninety".