2698945 has 8 divisors (see below), whose sum is σ = 3292200. Its totient is φ = 2123520.

The previous prime is 2698933. The next prime is 2698951. The reversal of 2698945 is 5498962.

It can be written as a sum of positive squares in 4 ways, for example, as 318096 + 2380849 = 564^2 + 1543^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2698945 - 2¹⁵ = 2666177 is a prime.

It is a super-2 number, since 2×2698945² = 14568608226050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4120 + ... + 4729.

It is an arithmetic number, because the mean of its divisors is an integer number (411525).

2^2698945 is an apocalyptic number.

It is an amenable number.

2698945 is a deficient number, since it is larger than the sum of its proper divisors (593255).

2698945 is an equidigital number, since it uses as much as digits as its factorization.

2698945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8915.

The product of its digits is 155520, while the sum is 43.

The square root of 2698945 is about 1642.8466148731. The cubic root of 2698945 is about 139.2295260670.

The spelling of 2698945 in words is "two million, six hundred ninety-eight thousand, nine hundred forty-five".