2798464 has 16 divisors (see below), whose sum is σ = 5575320. Its totient is φ = 1399168.

The previous prime is 2798461. The next prime is 2798503. The reversal of 2798464 is 4648972.

It is a tau number, because it is divible by the number of its divisors (16).

It is a d-powerful number, because it can be written as 2⁷ + 7⁷ + 9 + 8⁵ + 4⁴ + 6⁸ + 4⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10804 + ... + 11059.

2^2798464 is an apocalyptic number.

It is an amenable number.

2798464 is a deficient number, since it is larger than the sum of its proper divisors (2776856).

2798464 is an equidigital number, since it uses as much as digits as its factorization.

2798464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21877 (or 21865 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 2798464 is about 1672.8610223207. The cubic root of 2798464 is about 140.9201969489.

The spelling of 2798464 in words is "two million, seven hundred ninety-eight thousand, four hundred sixty-four".