1682091 has 12 divisors (see below), whose sum is σ = 2508480. Its totient is φ = 1085040.

The previous prime is 1682081. The next prime is 1682101. The reversal of 1682091 is 1902861.

It is an interprime number because it is at equal distance from previous prime (1682081) and next prime (1682101).

It is not a de Polignac number, because 1682091 - 2⁹ = 1681579 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1682081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2736 + ... + 3293.

It is an arithmetic number, because the mean of its divisors is an integer number (209040).

2^1682091 is an apocalyptic number.

1682091 is a deficient number, since it is larger than the sum of its proper divisors (826389).

1682091 is a wasteful number, since it uses less digits than its factorization.

1682091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6066 (or 6063 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1682091 is about 1296.9545096109. The cubic root of 1682091 is about 118.9277390073.

The spelling of 1682091 in words is "one million, six hundred eighty-two thousand, ninety-one".