2910242 has 4 divisors (see below), whose sum is σ = 4365366. Its totient is φ = 1455120.

The previous prime is 2910241. The next prime is 2910251. The reversal of 2910242 is 2420192.

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

It can be written as a sum of positive squares in only one way, i.e., 2758921 + 151321 = 1661^2 + 389^2 .

It is not an unprimeable number, because it can be changed into a prime (2910241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727559 + ... + 727562.

2^2910242 is an apocalyptic number.

2910242 is a deficient number, since it is larger than the sum of its proper divisors (1455124).

2910242 is a wasteful number, since it uses less digits than its factorization.

2910242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455123.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2910242 is about 1705.9431409048. The cubic root of 2910242 is about 142.7719971663.

The spelling of 2910242 in words is "two million, nine hundred ten thousand, two hundred forty-two".