2609938 has 4 divisors (see below), whose sum is σ = 3914910. Its totient is φ = 1304968.

The previous prime is 2609911. The next prime is 2609947. The reversal of 2609938 is 8399062.

2609938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2455489 + 154449 = 1567^2 + 393^2 .

It is a super-3 number, since 3×2609938³ = 53334941938494845016, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2609897 and 2609906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652483 + ... + 652486.

2^2609938 is an apocalyptic number.

2609938 is a deficient number, since it is larger than the sum of its proper divisors (1304972).

2609938 is a wasteful number, since it uses less digits than its factorization.

2609938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304971.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2609938 is about 1615.5302535081. The cubic root of 2609938 is about 137.6818618371.

The spelling of 2609938 in words is "two million, six hundred nine thousand, nine hundred thirty-eight".