19485572 has 6 divisors (see below), whose sum is σ = 34099758. Its totient is φ = 9742784.

The previous prime is 19485539. The next prime is 19485581. The reversal of 19485572 is 27558491.

It can be written as a sum of positive squares in only one way, i.e., 11723776 + 7761796 = 3424^2 + 2786^2 .

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2435693 + ... + 2435700.

It is an arithmetic number, because the mean of its divisors is an integer number (5683293).

Almost surely, 2^19485572 is an apocalyptic number.

It is an amenable number.

19485572 is a deficient number, since it is larger than the sum of its proper divisors (14614186).

19485572 is a wasteful number, since it uses less digits than its factorization.

19485572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871397 (or 4871395 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 19485572 is about 4414.2464815640. The cubic root of 19485572 is about 269.0942304718.

The spelling of 19485572 in words is "nineteen million, four hundred eighty-five thousand, five hundred seventy-two".