2698605 has 48 divisors (see below), whose sum is σ = 5765760. Its totient is φ = 1137024.

The previous prime is 2698583. The next prime is 2698607. The reversal of 2698605 is 5068962.

It is not a de Polignac number, because 2698605 - 2⁵ = 2698573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2698605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2698607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3766 + ... + 4424.

It is an arithmetic number, because the mean of its divisors is an integer number (120120).

2^2698605 is an apocalyptic number.

It is an amenable number.

2698605 is an abundant number, since it is smaller than the sum of its proper divisors (3067155).

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

2698605 is a wasteful number, since it uses less digits than its factorization.

2698605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2698605 is about 1642.7431326900. The cubic root of 2698605 is about 139.2236793347.

The spelling of 2698605 in words is "two million, six hundred ninety-eight thousand, six hundred five".