1686341484 has 48 divisors (see below), whose sum is σ = 4378681440. Its totient is φ = 561254400.

The previous prime is 1686341479. The next prime is 1686341491. The reversal of 1686341484 is 4841436861.

1686341484 is a `hidden beast` number, since 1 + 6 + 8 + 634 + 1 + 4 + 8 + 4 = 666.

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, 61084 + ... + 84284.

It is an arithmetic number, because the mean of its divisors is an integer number (91222530).

Almost surely, 2^1686341484 is an apocalyptic number.

It is an amenable number.

1686341484 is an abundant number, since it is smaller than the sum of its proper divisors (2692339956).

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

1686341484 is a wasteful number, since it uses less digits than its factorization.

1686341484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23887 (or 23879 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 1686341484 is about 41065.0883841737. The cubic root of 1686341484 is about 1190.2782777871.

The spelling of 1686341484 in words is "one billion, six hundred eighty-six million, three hundred forty-one thousand, four hundred eighty-four".