900038 has 4 divisors (see below), whose sum is σ = 1350060. Its totient is φ = 450018.

The previous prime is 900037. The next prime is 900061. The reversal of 900038 is 830009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 830009 = 29 ⋅28621.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 899992 and 900019.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 900038.

It is not an unprimeable number, because it can be changed into a prime (900037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225008 + ... + 225011.

It is an arithmetic number, because the mean of its divisors is an integer number (337515).

2⁹⁰⁰⁰³⁸ is an apocalyptic number.

900038 is a deficient number, since it is larger than the sum of its proper divisors (450022).

900038 is a wasteful number, since it uses less digits than its factorization.

900038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450021.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 900038 is about 948.7033255976. The cubic root of 900038 is about 96.5502972784.

The spelling of 900038 in words is "nine hundred thousand, thirty-eight".