19321948 has 6 divisors (see below), whose sum is σ = 33813416. Its totient is φ = 9660972.

The previous prime is 19321937. The next prime is 19321949. The reversal of 19321948 is 84912391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19321949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2415240 + ... + 2415247.

Almost surely, 2^19321948 is an apocalyptic number.

It is an amenable number.

19321948 is a deficient number, since it is larger than the sum of its proper divisors (14491468).

19321948 is a wasteful number, since it uses less digits than its factorization.

19321948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830491 (or 4830489 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 19321948 is about 4395.6737822545. The cubic root of 19321948 is about 268.3389007328.

The spelling of 19321948 in words is "nineteen million, three hundred twenty-one thousand, nine hundred forty-eight".