19528002 has 48 divisors (see below), whose sum is σ = 48255480. Its totient is φ = 5654016.

The previous prime is 19527979. The next prime is 19528027. The reversal of 19528002 is 20082591.

It can be written as a sum of positive squares in 4 ways, for example, as 19368801 + 159201 = 4401^2 + 399^2 .

It is a super-2 number, since 2×19528002² = 762685724224008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1524 + ... + 6432.

Almost surely, 2^19528002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19528002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24127740).

19528002 is an abundant number, since it is smaller than the sum of its proper divisors (28727478).

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

19528002 is a wasteful number, since it uses less digits than its factorization.

19528002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4947 (or 4944 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 19528002 is about 4419.0498978853. The cubic root of 19528002 is about 269.2894072048.

The spelling of 19528002 in words is "nineteen million, five hundred twenty-eight thousand, two".