2842040 has 32 divisors (see below), whose sum is σ = 6443280. Its totient is φ = 1128192.

The previous prime is 2842033. The next prime is 2842061. The reversal of 2842040 is 402482.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8924 + ... + 9236.

2^2842040 is an apocalyptic number.

2842040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2842040 is an abundant number, since it is smaller than the sum of its proper divisors (3601240).

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

2842040 is a wasteful number, since it uses less digits than its factorization.

2842040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2842040 is about 1685.8351046292. The cubic root of 2842040 is about 141.6478744777.

The spelling of 2842040 in words is "two million, eight hundred forty-two thousand, forty".