19950528 has 56 divisors (see below), whose sum is σ = 56853328. Its totient is φ = 6137856.

The previous prime is 19950527. The next prime is 19950563. The reversal of 19950528 is 82505991.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19950527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501 + ... + 6492.

It is an arithmetic number, because the mean of its divisors is an integer number (1015238).

Almost surely, 2^19950528 is an apocalyptic number.

It is an amenable number.

19950528 is an abundant number, since it is smaller than the sum of its proper divisors (36902800).

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

19950528 is a wasteful number, since it uses less digits than its factorization.

19950528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8021 (or 8011 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 19950528 is about 4466.6013925579. The cubic root of 19950528 is about 271.2177640838.

The spelling of 19950528 in words is "nineteen million, nine hundred fifty thousand, five hundred twenty-eight".