2659938 has 16 divisors (see below), whose sum is σ = 5503680. Its totient is φ = 856016.

The previous prime is 2659931. The next prime is 2659949. The reversal of 2659938 is 8399562.

It is a d-powerful number, because it can be written as 2⁵ + 6⁵ + 5⁵ + 9³ + 9⁶ + 3⁹ + 8⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 2659938.

It is not an unprimeable number, because it can be changed into a prime (2659931) 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, 7470 + ... + 7817.

It is an arithmetic number, because the mean of its divisors is an integer number (343980).

2^2659938 is an apocalyptic number.

2659938 is an abundant number, since it is smaller than the sum of its proper divisors (2843742).

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

2659938 is a wasteful number, since it uses less digits than its factorization.

2659938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15321.

The product of its digits is 116640, while the sum is 42.

The square root of 2659938 is about 1630.9316355997. The cubic root of 2659938 is about 138.5555217103. Note that the first 4 decimals are identical.

The spelling of 2659938 in words is "two million, six hundred fifty-nine thousand, nine hundred thirty-eight".