2726661 has 8 divisors (see below), whose sum is σ = 4154944. Its totient is φ = 1558080.

The previous prime is 2726657. The next prime is 2726683. The reversal of 2726661 is 1666272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2726661 - 2² = 2726657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2726461) 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, 64900 + ... + 64941.

It is an arithmetic number, because the mean of its divisors is an integer number (519368).

2^2726661 is an apocalyptic number.

2726661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2726661 is a deficient number, since it is larger than the sum of its proper divisors (1428283).

2726661 is a wasteful number, since it uses less digits than its factorization.

2726661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129851.

The product of its digits is 6048, while the sum is 30.

The square root of 2726661 is about 1651.2604276734. The cubic root of 2726661 is about 139.7044957525.

The spelling of 2726661 in words is "two million, seven hundred twenty-six thousand, six hundred sixty-one".