1693000838 has 4 divisors (see below), whose sum is σ = 2539501260. Its totient is φ = 846500418.

The previous prime is 1693000817. The next prime is 1693000853. The reversal of 1693000838 is 8380003961.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423250208 + ... + 423250211.

It is an arithmetic number, because the mean of its divisors is an integer number (634875315).

Almost surely, 2^1693000838 is an apocalyptic number.

1693000838 is a deficient number, since it is larger than the sum of its proper divisors (846500422).

1693000838 is an equidigital number, since it uses as much as digits as its factorization.

1693000838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846500421.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1693000838 is about 41146.0914061105. The cubic root of 1693000838 is about 1191.8430208386.

The spelling of 1693000838 in words is "one billion, six hundred ninety-three million, eight hundred thirty-eight", and thus it is an aban number.