1683045 has 64 divisors (see below), whose sum is σ = 3709440. Its totient is φ = 705024.

The previous prime is 1683043. The next prime is 1683049. The reversal of 1683045 is 5403861.

It is not a de Polignac number, because 1683045 - 2¹ = 1683043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1683045 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1683041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12217 + ... + 12353.

It is an arithmetic number, because the mean of its divisors is an integer number (57960).

2^1683045 is an apocalyptic number.

1683045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1683045 is an abundant number, since it is smaller than the sum of its proper divisors (2026395).

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

1683045 is a wasteful number, since it uses less digits than its factorization.

1683045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1683045 is about 1297.3222421588. The cubic root of 1683045 is about 118.9502180965.

The spelling of 1683045 in words is "one million, six hundred eighty-three thousand, forty-five".