2646601 has 4 divisors (see below), whose sum is σ = 2652804. Its totient is φ = 2640400.

The previous prime is 2646599. The next prime is 2646613. The reversal of 2646601 is 1066462.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1081600 + 1565001 = 1040^2 + 1251^2 .

It is a cyclic number.

It is not a de Polignac number, because 2646601 - 2¹ = 2646599 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2646641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2410 + ... + 3331.

It is an arithmetic number, because the mean of its divisors is an integer number (663201).

2^2646601 is an apocalyptic number.

It is an amenable number.

2646601 is a deficient number, since it is larger than the sum of its proper divisors (6203).

2646601 is an equidigital number, since it uses as much as digits as its factorization.

2646601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6202.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2646601 is about 1626.8377300764. The cubic root of 2646601 is about 138.3235598972.

The spelling of 2646601 in words is "two million, six hundred forty-six thousand, six hundred one".