1993446284 has 12 divisors (see below), whose sum is σ = 3491645304. Its totient is φ = 995833344.

The previous prime is 1993446269. The next prime is 1993446293. The reversal of 1993446284 is 4826443991.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217397 + ... + 226380.

It is an arithmetic number, because the mean of its divisors is an integer number (290970442).

Almost surely, 2^1993446284 is an apocalyptic number.

It is an amenable number.

1993446284 is a deficient number, since it is larger than the sum of its proper divisors (1498199020).

1993446284 is a wasteful number, since it uses less digits than its factorization.

1993446284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444904 (or 444902 counting only the distinct ones).

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

The square root of 1993446284 is about 44648.0266529216. The cubic root of 1993446284 is about 1258.5433498309.

The spelling of 1993446284 in words is "one billion, nine hundred ninety-three million, four hundred forty-six thousand, two hundred eighty-four".