2858420868 has 48 divisors (see below), whose sum is σ = 7066833984. Its totient is φ = 896143360.

The previous prime is 2858420809. The next prime is 2858420869. The reversal of 2858420868 is 8680248582.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 2858420868.

It is not an unprimeable number, because it can be changed into a prime (2858420869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360628 + ... + 368468.

It is an arithmetic number, because the mean of its divisors is an integer number (147225708).

Almost surely, 2^2858420868 is an apocalyptic number.

It is an amenable number.

2858420868 is an abundant number, since it is smaller than the sum of its proper divisors (4208413116).

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

2858420868 is a wasteful number, since it uses less digits than its factorization.

2858420868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9652 (or 9650 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 51.

The square root of 2858420868 is about 53464.2017428485. The cubic root of 2858420868 is about 1419.1949526566.

The spelling of 2858420868 in words is "two billion, eight hundred fifty-eight million, four hundred twenty thousand, eight hundred sixty-eight".