1683942 has 16 divisors (see below), whose sum is σ = 3627120. Its totient is φ = 518112.

The previous prime is 1683887. The next prime is 1683949. The reversal of 1683942 is 2493861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1683949) 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, 10717 + ... + 10872.

It is an arithmetic number, because the mean of its divisors is an integer number (226695).

2^1683942 is an apocalyptic number.

1683942 is an abundant number, since it is smaller than the sum of its proper divisors (1943178).

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

1683942 is a wasteful number, since it uses less digits than its factorization.

1683942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21607.

The product of its digits is 10368, while the sum is 33.

The square root of 1683942 is about 1297.6679082107. The cubic root of 1683942 is about 118.9713463483.

The spelling of 1683942 in words is "one million, six hundred eighty-three thousand, nine hundred forty-two".