19536090 has 64 divisors (see below), whose sum is σ = 54915840. Its totient is φ = 4354560.

The previous prime is 19536073. The next prime is 19536103. The reversal of 19536090 is 9063591.

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 31 ways as a sum of consecutive naturals, for example, 7476 + ... + 9744.

It is an arithmetic number, because the mean of its divisors is an integer number (858060).

Almost surely, 2^19536090 is an apocalyptic number.

19536090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19536090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27457920).

19536090 is an abundant number, since it is smaller than the sum of its proper divisors (35379750).

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

19536090 is a wasteful number, since it uses less digits than its factorization.

19536090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 19536090 is about 4419.9649319876. The cubic root of 19536090 is about 269.3265796730.

The spelling of 19536090 in words is "nineteen million, five hundred thirty-six thousand, ninety".