2646423 has 12 divisors (see below), whose sum is σ = 4116840. Its totient is φ = 1628496.

The previous prime is 2646409. The next prime is 2646443. The reversal of 2646423 is 3246462.

It is not a de Polignac number, because 2646423 - 2⁸ = 2646167 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2⁷ + 6 + 4² + 6⁴ + 4⁷ + 2²¹ + 3¹² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11193 + ... + 11426.

It is an arithmetic number, because the mean of its divisors is an integer number (343070).

2^2646423 is an apocalyptic number.

2646423 is a deficient number, since it is larger than the sum of its proper divisors (1470417).

2646423 is a wasteful number, since it uses less digits than its factorization.

2646423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22638 (or 22635 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 2646423 is about 1626.7830217949. The cubic root of 2646423 is about 138.3204587944.

The spelling of 2646423 in words is "two million, six hundred forty-six thousand, four hundred twenty-three".