2420684 has 12 divisors (see below), whose sum is σ = 4841424. Its totient is φ = 1037424.

The previous prime is 2420633. The next prime is 2420687. The reversal of 2420684 is 4860242.

2420684 is an admirable number.

It is a super-2 number, since 2×2420684² = 11719422055712, which contains 22 as substring.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (2420687) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 43199 + ... + 43254.

It is an arithmetic number, because the mean of its divisors is an integer number (403452).

2^2420684 is an apocalyptic number.

It is an amenable number.

2420684 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.

2420684 is a wasteful number, since it uses less digits than its factorization.

2420684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86464 (or 86462 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 2420684 is about 1555.8547490045. The cubic root of 2420684 is about 134.2701167510.

The spelling of 2420684 in words is "two million, four hundred twenty thousand, six hundred eighty-four".