1993394 has 16 divisors (see below), whose sum is σ = 3296832. Its totient is φ = 898128.

The previous prime is 1993367. The next prime is 1993417. The reversal of 1993394 is 4933991.

It is an Ulam 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, 227 + ... + 2009.

It is an arithmetic number, because the mean of its divisors is an integer number (206052).

2^1993394 is an apocalyptic number.

1993394 is a deficient number, since it is larger than the sum of its proper divisors (1303438).

1993394 is a wasteful number, since it uses less digits than its factorization.

1993394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841.

The product of its digits is 26244, while the sum is 38.

The square root of 1993394 is about 1411.8760568832. The cubic root of 1993394 is about 125.8532346733.

The spelling of 1993394 in words is "one million, nine hundred ninety-three thousand, three hundred ninety-four".