19773948 has 24 divisors (see below), whose sum is σ = 46773328. Its totient is φ = 6500736.

The previous prime is 19773917. The next prime is 19773953. The reversal of 19773948 is 84937791.

It is a junction number, because it is equal to n+sod(n) for n = 19773897 and 19773906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10411 + ... + 12162.

Almost surely, 2^19773948 is an apocalyptic number.

It is an amenable number.

19773948 is an abundant number, since it is smaller than the sum of its proper divisors (26999380).

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

19773948 is a wasteful number, since it uses less digits than its factorization.

19773948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22653 (or 22651 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The square root of 19773948 is about 4446.7907528913. The cubic root of 19773948 is about 270.4152184694.

The spelling of 19773948 in words is "nineteen million, seven hundred seventy-three thousand, nine hundred forty-eight".