2790642 has 8 divisors (see below), whose sum is σ = 5581296. Its totient is φ = 930212.

The previous prime is 2790629. The next prime is 2790643. The reversal of 2790642 is 2460972.

It is a happy number.

2790642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2790642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2790643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232548 + ... + 232559.

It is an arithmetic number, because the mean of its divisors is an integer number (697662).

2^2790642 is an apocalyptic number.

2790642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2790642 is a wasteful number, since it uses less digits than its factorization.

2790642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465112.

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

The square root of 2790642 is about 1670.5214754681. The cubic root of 2790642 is about 140.7887788600.

The spelling of 2790642 in words is "two million, seven hundred ninety thousand, six hundred forty-two".