2790342 has 16 divisors (see below), whose sum is σ = 6200880. Its totient is φ = 930096.

The previous prime is 2790331. The next prime is 2790391. The reversal of 2790342 is 2430972.

2790342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25783 + ... + 25890.

It is an arithmetic number, because the mean of its divisors is an integer number (387555).

2^2790342 is an apocalyptic number.

2790342 is an abundant number, since it is smaller than the sum of its proper divisors (3410538).

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

2790342 is a wasteful number, since it uses less digits than its factorization.

2790342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51684 (or 51678 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2790342 is about 1670.4316807341. The cubic root of 2790342 is about 140.7837336473.

The spelling of 2790342 in words is "two million, seven hundred ninety thousand, three hundred forty-two".