19441970 has 8 divisors (see below), whose sum is σ = 34995564. Its totient is φ = 7776784.

The previous prime is 19441963. The next prime is 19442009. The reversal of 19441970 is 7914491.

It can be written as a sum of positive squares in 2 ways, for example, as 17749369 + 1692601 = 4213^2 + 1301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 19441970.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972089 + ... + 972108.

Almost surely, 2^19441970 is an apocalyptic number.

19441970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19441970 is a deficient number, since it is larger than the sum of its proper divisors (15553594).

19441970 is a wasteful number, since it uses less digits than its factorization.

19441970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944204.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 19441970 is about 4409.3049338870. The cubic root of 19441970 is about 268.8933671691.

The spelling of 19441970 in words is "nineteen million, four hundred forty-one thousand, nine hundred seventy".