2912842 has 8 divisors (see below), whose sum is σ = 4392036. Its totient is φ = 1448832.

The previous prime is 2912839. The next prime is 2912849. The reversal of 2912842 is 2482192.

It can be written as a sum of positive squares in 2 ways, for example, as 2859481 + 53361 = 1691^2 + 231^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2912842.

It is not an unprimeable number, because it can be changed into a prime (2912849) 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, 3303 + ... + 4090.

2^2912842 is an apocalyptic number.

2912842 is a deficient number, since it is larger than the sum of its proper divisors (1479194).

2912842 is a wasteful number, since it uses less digits than its factorization.

2912842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7592.

The product of its digits is 2304, while the sum is 28.

The square root of 2912842 is about 1706.7050125900. The cubic root of 2912842 is about 142.8145018449.

The spelling of 2912842 in words is "two million, nine hundred twelve thousand, eight hundred forty-two".