2003990278 has 8 divisors (see below), whose sum is σ = 3016683720. Its totient is φ = 998429040.

The previous prime is 2003990273. The next prime is 2003990279. The reversal of 2003990278 is 8720993002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2003990278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003990273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1782348 + ... + 1783471.

It is an arithmetic number, because the mean of its divisors is an integer number (377085465).

Almost surely, 2^2003990278 is an apocalyptic number.

2003990278 is a deficient number, since it is larger than the sum of its proper divisors (1012693442).

2003990278 is a wasteful number, since it uses less digits than its factorization.

2003990278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566102.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 2003990278 is about 44765.9499843352. The cubic root of 2003990278 is about 1260.7583991400.

The spelling of 2003990278 in words is "two billion, three million, nine hundred ninety thousand, two hundred seventy-eight".