2085798408 has 64 divisors (see below), whose sum is σ = 5526610560. Its totient is φ = 653730816.

The previous prime is 2085798329. The next prime is 2085798427. The reversal of 2085798408 is 8048975802.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588610 + ... + 592142.

It is an arithmetic number, because the mean of its divisors is an integer number (86353290).

Almost surely, 2^2085798408 is an apocalyptic number.

It is an amenable number.

2085798408 is an abundant number, since it is smaller than the sum of its proper divisors (3440812152).

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

2085798408 is a wasteful number, since it uses less digits than its factorization.

2085798408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006 (or 5002 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The square root of 2085798408 is about 45670.5420156144. The cubic root of 2085798408 is about 1277.6859247652.

It can be divided in two parts, 2085798 and 408, that multiplied together give a square (851005584 = 29172²).

The spelling of 2085798408 in words is "two billion, eighty-five million, seven hundred ninety-eight thousand, four hundred eight".