1038803490 has 192 divisors, whose sum is σ = 2970639360. Its totient is φ = 251112960.

The previous prime is 1038803431. The next prime is 1038803497. The reversal of 1038803490 is 943088301.

It is a super-2 number, since 2×1038803490² = 2158225381672360200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1038803497) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2993497 + ... + 2993843.

It is an arithmetic number, because the mean of its divisors is an integer number (15472080).

Almost surely, 2^1038803490 is an apocalyptic number.

1038803490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1038803490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1485319680).

1038803490 is an abundant number, since it is smaller than the sum of its proper divisors (1931835870).

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

1038803490 is a wasteful number, since it uses less digits than its factorization.

1038803490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1038803490 is about 32230.4745543717. The cubic root of 1038803490 is about 1012.7707113357.

The spelling of 1038803490 in words is "one billion, thirty-eight million, eight hundred three thousand, four hundred ninety".