2427820 has 24 divisors (see below), whose sum is σ = 5367600. Its totient is φ = 919872.

The previous prime is 2427797. The next prime is 2427847. The reversal of 2427820 is 287242.

2427820 = T₄₉₆ + T₄₉₇ + ... + T₅₁₄.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2815 + ... + 3574.

It is an arithmetic number, because the mean of its divisors is an integer number (223650).

2^2427820 is an apocalyptic number.

2427820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2427820 is an abundant number, since it is smaller than the sum of its proper divisors (2939780).

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

2427820 is a wasteful number, since it uses less digits than its factorization.

2427820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6417 (or 6415 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2427820 is about 1558.1463345912. The cubic root of 2427820 is about 134.4019268195.

The spelling of 2427820 in words is "two million, four hundred twenty-seven thousand, eight hundred twenty".