2660242 has 8 divisors (see below), whose sum is σ = 4297356. Its totient is φ = 1227792.

The previous prime is 2660237. The next prime is 2660291. The reversal of 2660242 is 2420662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2660161 + 81 = 1631^2 + 9^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51133 + ... + 51184.

2^2660242 is an apocalyptic number.

2660242 is a deficient number, since it is larger than the sum of its proper divisors (1637114).

2660242 is a wasteful number, since it uses less digits than its factorization.

2660242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102332.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2660242 is about 1631.0248312028. The cubic root of 2660242 is about 138.5607999379.

The spelling of 2660242 in words is "two million, six hundred sixty thousand, two hundred forty-two".