2920842 has 12 divisors (see below), whose sum is σ = 6328530. Its totient is φ = 973608.

The previous prime is 2920837. The next prime is 2920871. The reversal of 2920842 is 2480292.

It can be written as a sum of positive squares in only one way, i.e., 2852721 + 68121 = 1689^2 + 261^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81117 + ... + 81152.

2^2920842 is an apocalyptic number.

2920842 is an abundant number, since it is smaller than the sum of its proper divisors (3407688).

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

2920842 is a wasteful number, since it uses less digits than its factorization.

2920842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162277 (or 162274 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2920842 is about 1709.0471029202. The cubic root of 2920842 is about 142.9451270385.

The spelling of 2920842 in words is "two million, nine hundred twenty thousand, eight hundred forty-two".