1893342668 has 24 divisors (see below), whose sum is σ = 3804643584. Its totient is φ = 807584400.

The previous prime is 1893342641. The next prime is 1893342697. The reversal of 1893342668 is 8662433981.

It is a happy 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, 154328 + ... + 166143.

It is an arithmetic number, because the mean of its divisors is an integer number (158526816).

Almost surely, 2^1893342668 is an apocalyptic number.

It is an amenable number.

1893342668 is an abundant number, since it is smaller than the sum of its proper divisors (1911300916).

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

1893342668 is a wasteful number, since it uses less digits than its factorization.

1893342668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320693 (or 320691 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 50.

The square root of 1893342668 is about 43512.5575897349. The cubic root of 1893342668 is about 1237.1140542264.

The spelling of 1893342668 in words is "one billion, eight hundred ninety-three million, three hundred forty-two thousand, six hundred sixty-eight".