1682391676 has 48 divisors (see below), whose sum is σ = 3440606400. Its totient is φ = 719523840.

The previous prime is 1682391671. The next prime is 1682391749. The reversal of 1682391676 is 6761932861.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682391671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 878496 + ... + 880408.

It is an arithmetic number, because the mean of its divisors is an integer number (71679300).

Almost surely, 2^1682391676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1682391676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1720303200).

1682391676 is an abundant number, since it is smaller than the sum of its proper divisors (1758214724).

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

1682391676 is a wasteful number, since it uses less digits than its factorization.

1682391676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579 (or 2563 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 1682391676 is about 41016.9681473412. The cubic root of 1682391676 is about 1189.3482474890.

The spelling of 1682391676 in words is "one billion, six hundred eighty-two million, three hundred ninety-one thousand, six hundred seventy-six".