1003618428 has 72 divisors (see below), whose sum is σ = 2504028240. Its totient is φ = 312480000.

The previous prime is 1003618423. The next prime is 1003618433. The reversal of 1003618428 is 8248163001.

It is an interprime number because it is at equal distance from previous prime (1003618423) and next prime (1003618433).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003618423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332928 + ... + 335928.

It is an arithmetic number, because the mean of its divisors is an integer number (34778170).

Almost surely, 2^1003618428 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 1003618428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252014120).

1003618428 is an abundant number, since it is smaller than the sum of its proper divisors (1500409812).

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

1003618428 is a wasteful number, since it uses less digits than its factorization.

1003618428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3099 (or 3066 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1003618428 is about 31679.9373105440. The cubic root of 1003618428 is about 1001.2046908040.

The spelling of 1003618428 in words is "one billion, three million, six hundred eighteen thousand, four hundred twenty-eight".