1003974916 has 72 divisors (see below), whose sum is σ = 2201139360. Its totient is φ = 398022912.

The previous prime is 1003974893. The next prime is 1003974949. The reversal of 1003974916 is 6194793001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194035 + ... + 199141.

It is an arithmetic number, because the mean of its divisors is an integer number (30571380).

Almost surely, 2^1003974916 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 1003974916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1100569680).

1003974916 is an abundant number, since it is smaller than the sum of its proper divisors (1197164444).

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

1003974916 is a wasteful number, since it uses less digits than its factorization.

1003974916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201 (or 5192 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 1003974916 is about 31685.5632110272. The cubic root of 1003974916 is about 1001.3232203157.

The spelling of 1003974916 in words is "one billion, three million, nine hundred seventy-four thousand, nine hundred sixteen".