1683930 has 16 divisors (see below), whose sum is σ = 4041504. Its totient is φ = 449040.

The previous prime is 1683887. The next prime is 1683949. The reversal of 1683930 is 393861.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 56131 = 1683930 / (1 + 6 + 8 + 3 + 9 + 3 + 0).

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, 28036 + ... + 28095.

It is an arithmetic number, because the mean of its divisors is an integer number (252594).

2^1683930 is an apocalyptic number.

1683930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1683930 is an abundant number, since it is smaller than the sum of its proper divisors (2357574).

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

1683930 is a wasteful number, since it uses less digits than its factorization.

1683930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56141.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1683930 is about 1297.6632845234. The cubic root of 1683930 is about 118.9710637456.

The spelling of 1683930 in words is "one million, six hundred eighty-three thousand, nine hundred thirty".