2692161 has 12 divisors (see below), whose sum is σ = 3933540. Its totient is φ = 1774080.

The previous prime is 2692159. The next prime is 2692169. The reversal of 2692161 is 1612962.

It can be written as a sum of positive squares in 2 ways, for example, as 1252161 + 1440000 = 1119^2 + 1200^2 .

It is not a de Polignac number, because 2692161 - 2¹ = 2692159 is a prime.

2692161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2692169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 880 + ... + 2481.

It is an arithmetic number, because the mean of its divisors is an integer number (327795).

2^2692161 is an apocalyptic number.

It is an amenable number.

2692161 is a deficient number, since it is larger than the sum of its proper divisors (1241379).

2692161 is a wasteful number, since it uses less digits than its factorization.

2692161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456 (or 3453 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 2692161 is about 1640.7806069064. The cubic root of 2692161 is about 139.1127735833.

The spelling of 2692161 in words is "two million, six hundred ninety-two thousand, one hundred sixty-one".