19371948 has 12 divisors (see below), whose sum is σ = 45201240. Its totient is φ = 6457312.

The previous prime is 19371907. The next prime is 19371983. The reversal of 19371948 is 84917391.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 807153 + ... + 807176.

It is an arithmetic number, because the mean of its divisors is an integer number (3766770).

Almost surely, 2^19371948 is an apocalyptic number.

It is an amenable number.

19371948 is an abundant number, since it is smaller than the sum of its proper divisors (25829292).

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

19371948 is a wasteful number, since it uses less digits than its factorization.

19371948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614336 (or 1614334 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 19371948 is about 4401.3575178574. The cubic root of 19371948 is about 268.5701643110.

The spelling of 19371948 in words is "nineteen million, three hundred seventy-one thousand, nine hundred forty-eight".