190448590 has 16 divisors (see below), whose sum is σ = 360850320. Its totient is φ = 72169920.

The previous prime is 190448561. The next prime is 190448611. The reversal of 190448590 is 95844091.

190448590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 500991 + ... + 501370.

It is an arithmetic number, because the mean of its divisors is an integer number (22553145).

Almost surely, 2^190448590 is an apocalyptic number.

190448590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190448590 is a deficient number, since it is larger than the sum of its proper divisors (170401730).

190448590 is a wasteful number, since it uses less digits than its factorization.

190448590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002387.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 190448590 is about 13800.3112283745. The cubic root of 190448590 is about 575.3417904920.

The spelling of 190448590 in words is "one hundred ninety million, four hundred forty-eight thousand, five hundred ninety".