2646958 has 4 divisors (see below), whose sum is σ = 3970440. Its totient is φ = 1323478.

The previous prime is 2646937. The next prime is 2646967. The reversal of 2646958 is 8596462.

It is a happy number.

2646958 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 is a self number, because there is not a number n which added to its sum of digits gives 2646958.

It is a congruent number.

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, 661738 + ... + 661741.

It is an arithmetic number, because the mean of its divisors is an integer number (992610).

2^2646958 is an apocalyptic number.

2646958 is a deficient number, since it is larger than the sum of its proper divisors (1323482).

2646958 is a wasteful number, since it uses less digits than its factorization.

2646958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323481.

The product of its digits is 103680, while the sum is 40.

The square root of 2646958 is about 1626.9474484445. The cubic root of 2646958 is about 138.3297791058.

The spelling of 2646958 in words is "two million, six hundred forty-six thousand, nine hundred fifty-eight".