1680474 has 16 divisors (see below), whose sum is σ = 3538080. Its totient is φ = 530640.

The previous prime is 1680461. The next prime is 1680491. The reversal of 1680474 is 4740861.

It is an Ulam 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, 7257 + ... + 7484.

It is an arithmetic number, because the mean of its divisors is an integer number (221130).

2^1680474 is an apocalyptic number.

1680474 is an abundant number, since it is smaller than the sum of its proper divisors (1857606).

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

1680474 is a wasteful number, since it uses less digits than its factorization.

1680474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14765.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1680474 is about 1296.3309762557. The cubic root of 1680474 is about 118.8896182381.

The spelling of 1680474 in words is "one million, six hundred eighty thousand, four hundred seventy-four".