1003898736 has 120 divisors (see below), whose sum is σ = 2857224864. Its totient is φ = 329011200.

The previous prime is 1003898723. The next prime is 1003898737. The reversal of 1003898736 is 6378983001.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1003898691 and 1003898700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003898737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2978760 + ... + 2979096.

Almost surely, 2^1003898736 is an apocalyptic number.

1003898736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1003898736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428612432).

1003898736 is an abundant number, since it is smaller than the sum of its proper divisors (1853326128).

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

1003898736 is a wasteful number, since it uses less digits than its factorization.

1003898736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1003898736 is about 31684.3610634647. The cubic root of 1003898736 is about 1001.2978934106.

The spelling of 1003898736 in words is "one billion, three million, eight hundred ninety-eight thousand, seven hundred thirty-six".