195283990 has 16 divisors (see below), whose sum is σ = 383466960. Its totient is φ = 71012320.

The previous prime is 195283969. The next prime is 195284051. The reversal of 195283990 is 99382591.

195283990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 195283990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887545 + ... + 887764.

It is an arithmetic number, because the mean of its divisors is an integer number (23966685).

Almost surely, 2^195283990 is an apocalyptic number.

195283990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195283990 is a deficient number, since it is larger than the sum of its proper divisors (188182970).

195283990 is a wasteful number, since it uses less digits than its factorization.

195283990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775327.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 195283990 is about 13974.4048173795. The cubic root of 195283990 is about 580.1703720657.

The spelling of 195283990 in words is "one hundred ninety-five million, two hundred eighty-three thousand, nine hundred ninety".