1696980 has 24 divisors (see below), whose sum is σ = 4751712. Its totient is φ = 452512.

The previous prime is 1696979. The next prime is 1697027. The reversal of 1696980 is 896961.

It is a super-2 number, since 2×1696980² = 5759482240800, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14082 + ... + 14201.

It is an arithmetic number, because the mean of its divisors is an integer number (197988).

2^1696980 is an apocalyptic number.

1696980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1696980 is an abundant number, since it is smaller than the sum of its proper divisors (3054732).

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

1696980 is a wasteful number, since it uses less digits than its factorization.

1696980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28295 (or 28293 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 1696980 is about 1302.6818491098. The cubic root of 1696980 is about 119.2776043757.

The spelling of 1696980 in words is "one million, six hundred ninety-six thousand, nine hundred eighty".