2689744 has 10 divisors (see below), whose sum is σ = 5211410. Its totient is φ = 1344864.

The previous prime is 2689727. The next prime is 2689747. The reversal of 2689744 is 4479862.

It can be written as a sum of positive squares in only one way, i.e., 2689600 + 144 = 1640^2 + 12^2 .

It is a d-powerful number, because it can be written as 2¹⁹ + 6⁶ + 8⁷ + 9³ + 7⁵ + 4² + 4⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 2689697 and 2689706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84039 + ... + 84070.

It is an arithmetic number, because the mean of its divisors is an integer number (521141).

2^2689744 is an apocalyptic number.

It is an amenable number.

2689744 is a deficient number, since it is larger than the sum of its proper divisors (2521666).

2689744 is a wasteful number, since it uses less digits than its factorization.

2689744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168117 (or 168111 counting only the distinct ones).

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

The square root of 2689744 is about 1640.0439018514. The cubic root of 2689744 is about 139.0711296837.

The spelling of 2689744 in words is "two million, six hundred eighty-nine thousand, seven hundred forty-four".