2104827408 has 90 divisors (see below), whose sum is σ = 5938349274. Its totient is φ = 695964672.

The previous prime is 2104827401. The next prime is 2104827421. The reversal of 2104827408 is 8047284012.

It can be written as a sum of positive squares in 3 ways, for example, as 116380944 + 1988446464 = 10788^2 + 44592^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2104827401) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3549160 + ... + 3549752.

Almost surely, 2^2104827408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2104827408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2969174637).

2104827408 is an abundant number, since it is smaller than the sum of its proper divisors (3833521866).

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

2104827408 is a wasteful number, since it uses less digits than its factorization.

2104827408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 2104827408 is about 45878.3980539861. The cubic root of 2104827408 is about 1281.5596645509.

The spelling of 2104827408 in words is "two billion, one hundred four million, eight hundred twenty-seven thousand, four hundred eight".