1968393148 has 18 divisors (see below), whose sum is σ = 3456416544. Its totient is φ = 980856864.

The previous prime is 1968393131. The next prime is 1968393173. The reversal of 1968393148 is 8413938691.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1968393095 and 1968393104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 389365 + ... + 394387.

Almost surely, 2^1968393148 is an apocalyptic number.

It is an amenable number.

1968393148 is a deficient number, since it is larger than the sum of its proper divisors (1488023396).

1968393148 is an equidigital number, since it uses as much as digits as its factorization.

1968393148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5653 (or 5338 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 52.

The square root of 1968393148 is about 44366.5769245273. The cubic root of 1968393148 is about 1253.2487540694.

The spelling of 1968393148 in words is "one billion, nine hundred sixty-eight million, three hundred ninety-three thousand, one hundred forty-eight".