2605948 has 6 divisors (see below), whose sum is σ = 4560416. Its totient is φ = 1302972.

The previous prime is 2605943. The next prime is 2605949. The reversal of 2605948 is 8495062.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325740 + ... + 325747.

2^2605948 is an apocalyptic number.

It is an amenable number.

2605948 is a deficient number, since it is larger than the sum of its proper divisors (1954468).

2605948 is a wasteful number, since it uses less digits than its factorization.

2605948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651491 (or 651489 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2605948 is about 1614.2948925150. The cubic root of 2605948 is about 137.6116646637.

It can be divided in two parts, 2605 and 948, that added together give a palindrome (3553).

The spelling of 2605948 in words is "two million, six hundred five thousand, nine hundred forty-eight".