19948924 has 6 divisors (see below), whose sum is σ = 34910624. Its totient is φ = 9974460.

The previous prime is 19948921. The next prime is 19948927. The reversal of 19948924 is 42984991.

It is an interprime number because it is at equal distance from previous prime (19948921) and next prime (19948927).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19948921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2493612 + ... + 2493619.

Almost surely, 2^19948924 is an apocalyptic number.

It is an amenable number.

19948924 is a deficient number, since it is larger than the sum of its proper divisors (14961700).

19948924 is a wasteful number, since it uses less digits than its factorization.

19948924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4987235 (or 4987233 counting only the distinct ones).

The product of its digits is 186624, while the sum is 46.

The square root of 19948924 is about 4466.4218340860. The cubic root of 19948924 is about 271.2104953547.

The spelling of 19948924 in words is "nineteen million, nine hundred forty-eight thousand, nine hundred twenty-four".