19970448 has 40 divisors (see below), whose sum is σ = 53258496. Its totient is φ = 6441600.

The previous prime is 19970437. The next prime is 19970449. The reversal of 19970448 is 84407991.

It is not an unprimeable number, because it can be changed into a prime (19970449) 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, 5223 + ... + 8198.

Almost surely, 2^19970448 is an apocalyptic number.

It is an amenable number.

19970448 is an abundant number, since it is smaller than the sum of its proper divisors (33288048).

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

19970448 is a wasteful number, since it uses less digits than its factorization.

19970448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13463 (or 13457 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 19970448 is about 4468.8307195507. The cubic root of 19970448 is about 271.3080016409.

The spelling of 19970448 in words is "nineteen million, nine hundred seventy thousand, four hundred forty-eight".