2646730 has 16 divisors (see below), whose sum is σ = 5044680. Its totient is φ = 996352.

The previous prime is 2646671. The next prime is 2646733. The reversal of 2646730 is 376462.

It can be written as a sum of positive squares in 4 ways, for example, as 2283121 + 363609 = 1511^2 + 603^2 .

It is a d-powerful number, because it can be written as 2⁷ + 6 + 4¹⁰ + 6⁴ + 7⁴ + 3¹³ + 0 .

It is not an unprimeable number, because it can be changed into a prime (2646733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7615 + ... + 7954.

2^2646730 is an apocalyptic number.

2646730 is a deficient number, since it is larger than the sum of its proper divisors (2397950).

2646730 is a wasteful number, since it uses less digits than its factorization.

2646730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15593.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 2646730 is about 1626.8773770632. The cubic root of 2646730 is about 138.3258072388.

The spelling of 2646730 in words is "two million, six hundred forty-six thousand, seven hundred thirty".