2820426 has 16 divisors (see below), whose sum is σ = 6446784. Its totient is φ = 805824.

The previous prime is 2820407. The next prime is 2820479. The reversal of 2820426 is 6240282.

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 2820396 and 2820405.

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, 33535 + ... + 33618.

It is an arithmetic number, because the mean of its divisors is an integer number (402924).

2^2820426 is an apocalyptic number.

2820426 is an abundant number, since it is smaller than the sum of its proper divisors (3626358).

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

2820426 is a wasteful number, since it uses less digits than its factorization.

2820426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67165.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2820426 is about 1679.4123972390. The cubic root of 2820426 is about 141.2878782170.

The spelling of 2820426 in words is "two million, eight hundred twenty thousand, four hundred twenty-six".