2805621246 has 32 divisors (see below), whose sum is σ = 6238075680. Its totient is φ = 934702848.

The previous prime is 2805621233. The next prime is 2805621257. The reversal of 2805621246 is 6421265082.

It is a happy number.

2805621246 is a `hidden beast` number, since 2 + 8 + 0 + 5 + 621 + 24 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2805621246.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94830 + ... + 120846.

It is an arithmetic number, because the mean of its divisors is an integer number (194939865).

Almost surely, 2^2805621246 is an apocalyptic number.

2805621246 is an abundant number, since it is smaller than the sum of its proper divisors (3432454434).

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

2805621246 is a wasteful number, since it uses less digits than its factorization.

2805621246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28025 (or 28019 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 2805621246 is about 52968.1153714194. The cubic root of 2805621246 is about 1410.4023206846.

The spelling of 2805621246 in words is "two billion, eight hundred five million, six hundred twenty-one thousand, two hundred forty-six".