19948628 has 24 divisors (see below), whose sum is σ = 40290432. Its totient is φ = 8465184.

The previous prime is 19948627. The next prime is 19948639. The reversal of 19948628 is 82684991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19948627) 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, 575 + ... + 6342.

It is an arithmetic number, because the mean of its divisors is an integer number (1678768).

Almost surely, 2^19948628 is an apocalyptic number.

It is an amenable number.

19948628 is an abundant number, since it is smaller than the sum of its proper divisors (20341804).

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

19948628 is a wasteful number, since it uses less digits than its factorization.

19948628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031 (or 7029 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 19948628 is about 4466.3886978184. The cubic root of 19948628 is about 271.2091539506.

The spelling of 19948628 in words is "nineteen million, nine hundred forty-eight thousand, six hundred twenty-eight".