1038890 has 8 divisors (see below), whose sum is σ = 1870020. Its totient is φ = 415552.

The previous prime is 1038881. The next prime is 1038913. The reversal of 1038890 is 988301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1038361 + 529 = 1019^2 + 23^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51935 + ... + 51954.

2^1038890 is an apocalyptic number.

1038890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1038890 is a deficient number, since it is larger than the sum of its proper divisors (831130).

1038890 is a wasteful number, since it uses less digits than its factorization.

1038890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103896.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1038890 is about 1019.2595351528. The cubic root of 1038890 is about 101.2798824565.

The spelling of 1038890 in words is "one million, thirty-eight thousand, eight hundred ninety".