1659480 has 32 divisors (see below), whose sum is σ = 4978800. Its totient is φ = 442496.

The previous prime is 1659457. The next prime is 1659491. The reversal of 1659480 is 849561.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 6795 + ... + 7034.

2^1659480 is an apocalyptic number.

1659480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1659480 is an abundant number, since it is smaller than the sum of its proper divisors (3319320).

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

1659480 is a wasteful number, since it uses less digits than its factorization.

1659480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13843 (or 13839 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1659480 is about 1288.2080577298. The cubic root of 1659480 is about 118.3924499081.

The spelling of 1659480 in words is "one million, six hundred fifty-nine thousand, four hundred eighty".