2689924 has 12 divisors (see below), whose sum is σ = 4869900. Its totient is φ = 1298528.

The previous prime is 2689903. The next prime is 2689931. The reversal of 2689924 is 4299862.

It can be written as a sum of positive squares in 2 ways, for example, as 1440000 + 1249924 = 1200^2 + 1118^2 .

It is a super-2 number, since 2×2689924² = 14471382251552, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2 + 6³ + 8⁷ + 9⁵ + 9⁶ + 2¹¹ + 4² .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11479 + ... + 11710.

It is an arithmetic number, because the mean of its divisors is an integer number (405825).

2^2689924 is an apocalyptic number.

It is an amenable number.

2689924 is a deficient number, since it is larger than the sum of its proper divisors (2179976).

2689924 is a wasteful number, since it uses less digits than its factorization.

2689924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23222 (or 23220 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 2689924 is about 1640.0987775131. The cubic root of 2689924 is about 139.0742318680.

The spelling of 2689924 in words is "two million, six hundred eighty-nine thousand, nine hundred twenty-four".