1038817420 has 24 divisors (see below), whose sum is σ = 2184946848. Its totient is φ = 414873600.

The previous prime is 1038817393. The next prime is 1038817427. The reversal of 1038817420 is 247188301.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1038817427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27696 + ... + 53335.

It is an arithmetic number, because the mean of its divisors is an integer number (91039452).

Almost surely, 2^1038817420 is an apocalyptic number.

1038817420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1038817420 is an abundant number, since it is smaller than the sum of its proper divisors (1146129428).

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

1038817420 is a wasteful number, since it uses less digits than its factorization.

1038817420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81681 (or 81679 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 1038817420 is about 32230.6906534750. The cubic root of 1038817420 is about 1012.7752382852.

The spelling of 1038817420 in words is "one billion, thirty-eight million, eight hundred seventeen thousand, four hundred twenty".