2698320 has 40 divisors (see below), whose sum is σ = 8365536. Its totient is φ = 719488.

The previous prime is 2698303. The next prime is 2698321. The reversal of 2698320 is 238962.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2698321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5382 + ... + 5861.

2^2698320 is an apocalyptic number.

2698320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2698320 is an abundant number, since it is smaller than the sum of its proper divisors (5667216).

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

2698320 is a wasteful number, since it uses less digits than its factorization.

2698320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11259 (or 11253 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2698320 is about 1642.6563852492. The cubic root of 2698320 is about 139.2187780190.

It can be divided in two parts, 26 and 98320, that added together give a triangular number (98346 = T₄₄₃).

The spelling of 2698320 in words is "two million, six hundred ninety-eight thousand, three hundred twenty".