2655739 has 4 divisors (see below), whose sum is σ = 2741440. Its totient is φ = 2570040.

The previous prime is 2655727. The next prime is 2655761. The reversal of 2655739 is 9375562.

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

It is a cyclic number.

It is not a de Polignac number, because 2655739 - 2¹⁷ = 2524667 is a prime.

It is a super-2 number, since 2×2655739² = 14105899272242, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 6² + 5³ + 5⁵ + 7⁴ + 3¹³ + 9⁶ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2655698 and 2655707.

It is not an unprimeable number, because it can be changed into a prime (2655799) 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, 42804 + ... + 42865.

It is an arithmetic number, because the mean of its divisors is an integer number (685360).

2^2655739 is an apocalyptic number.

2655739 is a deficient number, since it is larger than the sum of its proper divisors (85701).

2655739 is an equidigital number, since it uses as much as digits as its factorization.

2655739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85700.

The product of its digits is 56700, while the sum is 37.

The square root of 2655739 is about 1629.6438261166. The cubic root of 2655739 is about 138.4825750168.

The spelling of 2655739 in words is "two million, six hundred fifty-five thousand, seven hundred thirty-nine".