2646426 has 32 divisors (see below), whose sum is σ = 5603328. Its totient is φ = 831600.

The previous prime is 2646409. The next prime is 2646443. The reversal of 2646426 is 6246462.

It is an interprime number because it is at equal distance from previous prime (2646409) and next prime (2646443).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2646393 and 2646402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17451 + ... + 17601.

It is an arithmetic number, because the mean of its divisors is an integer number (175104).

2^2646426 is an apocalyptic number.

2646426 is an abundant number, since it is smaller than the sum of its proper divisors (2956902).

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

2646426 is a wasteful number, since it uses less digits than its factorization.

2646426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306.

The product of its digits is 13824, while the sum is 30.

The square root of 2646426 is about 1626.7839438598. The cubic root of 2646426 is about 138.3205110613.

The spelling of 2646426 in words is "two million, six hundred forty-six thousand, four hundred twenty-six".