2403998208 has 120 divisors (see below), whose sum is σ = 6960749796. Its totient is φ = 798720000.

The previous prime is 2403998183. The next prime is 2403998209. The reversal of 2403998208 is 8028993042.

It can be written as a sum of positive squares in 2 ways, for example, as 2401784064 + 2214144 = 49008^2 + 1488^2 .

It is a super-2 number, since 2×2403998208² = 11558414768134422528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2403998209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1847158 + ... + 1848458.

Almost surely, 2^2403998208 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 2403998208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3480374898).

2403998208 is an abundant number, since it is smaller than the sum of its proper divisors (4556751588).

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

2403998208 is a wasteful number, since it uses less digits than its factorization.

2403998208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726 (or 1707 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 2403998208 is about 49030.5844142205. The cubic root of 2403998208 is about 1339.6089688461.

The spelling of 2403998208 in words is "two billion, four hundred three million, nine hundred ninety-eight thousand, two hundred eight".