1683917394 has 16 divisors (see below), whose sum is σ = 3369283680. Its totient is φ = 561064320.

The previous prime is 1683917357. The next prime is 1683917399. The reversal of 1683917394 is 4937193861.

It is not an unprimeable number, because it can be changed into a prime (1683917399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44959 + ... + 73410.

It is an arithmetic number, because the mean of its divisors is an integer number (210580230).

Almost surely, 2^1683917394 is an apocalyptic number.

1683917394 is an abundant number, since it is smaller than the sum of its proper divisors (1685366286).

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

1683917394 is a wasteful number, since it uses less digits than its factorization.

1683917394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120745.

The product of its digits is 979776, while the sum is 51.

The square root of 1683917394 is about 41035.5625524983. The cubic root of 1683917394 is about 1189.7076687007.

The spelling of 1683917394 in words is "one billion, six hundred eighty-three million, nine hundred seventeen thousand, three hundred ninety-four".