2690648 has 16 divisors (see below), whose sum is σ = 5103000. Its totient is φ = 1329856.

The previous prime is 2690629. The next prime is 2690657. The reversal of 2690648 is 8460962.

It is a super-3 number, since 3×2690648³ = 58437538101892133376, which contains 333 as substring.

It is a congruent number.

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, 1178 + ... + 2601.

2^2690648 is an apocalyptic number.

It is an amenable number.

2690648 is a deficient number, since it is larger than the sum of its proper divisors (2412352).

2690648 is a wasteful number, since it uses less digits than its factorization.

2690648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874 (or 3870 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2690648 is about 1640.3194810768. The cubic root of 2690648 is about 139.0867081451.

It can be divided in two parts, 269064 and 8, that multiplied together give a palindrome (2152512).

The spelling of 2690648 in words is "two million, six hundred ninety thousand, six hundred forty-eight".