1687930260 has 48 divisors (see below), whose sum is σ = 4745856192. Its totient is φ = 448243200.

The previous prime is 1687930249. The next prime is 1687930331. The reversal of 1687930260 is 620397861.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43906 + ... + 72825.

It is an arithmetic number, because the mean of its divisors is an integer number (98872004).

Almost surely, 2^1687930260 is an apocalyptic number.

1687930260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1687930260 is an abundant number, since it is smaller than the sum of its proper divisors (3057925932).

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

1687930260 is a wasteful number, since it uses less digits than its factorization.

1687930260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116984 (or 116982 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1687930260 is about 41084.4284370612. The cubic root of 1687930260 is about 1190.6519648483.

The spelling of 1687930260 in words is "one billion, six hundred eighty-seven million, nine hundred thirty thousand, two hundred sixty".