19948992 has 56 divisors (see below), whose sum is σ = 60326016. Its totient is φ = 5699328.

The previous prime is 19948991. The next prime is 19948997. The reversal of 19948992 is 29984991.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19948991) 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, 6078 + ... + 8765.

Almost surely, 2^19948992 is an apocalyptic number.

19948992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19948992 is an abundant number, since it is smaller than the sum of its proper divisors (40377024).

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

19948992 is a wasteful number, since it uses less digits than its factorization.

19948992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14865 (or 14855 counting only the distinct ones).

The product of its digits is 419904, while the sum is 51.

The square root of 19948992 is about 4466.4294464371. The cubic root of 19948992 is about 271.2108035132.

The spelling of 19948992 in words is "nineteen million, nine hundred forty-eight thousand, nine hundred ninety-two".