19480873 has 2 divisors, whose sum is σ = 19480874. Its totient is φ = 19480872.

The previous prime is 19480859. The next prime is 19480919. The reversal of 19480873 is 37808491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19465744 + 15129 = 4412^2 + 123^2 .

It is a cyclic number.

It is not a de Polignac number, because 19480873 - 2²¹ = 17383721 is a prime.

It is not a weakly prime, because it can be changed into another prime (19480823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9740436 + 9740437.

It is an arithmetic number, because the mean of its divisors is an integer number (9740437).

Almost surely, 2^19480873 is an apocalyptic number.

It is an amenable number.

19480873 is a deficient number, since it is larger than the sum of its proper divisors (1).

19480873 is an equidigital number, since it uses as much as digits as its factorization.

19480873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 19480873 is about 4413.7141955500. The cubic root of 19480873 is about 269.0725977915.

The spelling of 19480873 in words is "nineteen million, four hundred eighty thousand, eight hundred seventy-three".