1683480 has 32 divisors (see below), whose sum is σ = 5050800. Its totient is φ = 448896.

The previous prime is 1683469. The next prime is 1683491. The reversal of 1683480 is 843861.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1683469) and next prime (1683491).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 6895 + ... + 7134.

2^1683480 is an apocalyptic number.

1683480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1683480 is an abundant number, since it is smaller than the sum of its proper divisors (3367320).

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

1683480 is a wasteful number, since it uses less digits than its factorization.

1683480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14043 (or 14039 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1683480 is about 1297.4898843536. The cubic root of 1683480 is about 118.9604651760.

The spelling of 1683480 in words is "one million, six hundred eighty-three thousand, four hundred eighty".