2659698 has 12 divisors (see below), whose sum is σ = 5762718. Its totient is φ = 886560.

The previous prime is 2659691. The next prime is 2659717. The reversal of 2659698 is 8969562.

It can be written as a sum of positive squares in only one way, i.e., 2259009 + 400689 = 1503^2 + 633^2 .

It is not an unprimeable number, because it can be changed into a prime (2659691) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73863 + ... + 73898.

2^2659698 is an apocalyptic number.

2659698 is an abundant number, since it is smaller than the sum of its proper divisors (3103020).

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

2659698 is a wasteful number, since it uses less digits than its factorization.

2659698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147769 (or 147766 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 2659698 is about 1630.8580563617. The cubic root of 2659698 is about 138.5513544045.

The spelling of 2659698 in words is "two million, six hundred fifty-nine thousand, six hundred ninety-eight".