905038 has 4 divisors (see below), whose sum is σ = 1357560. Its totient is φ = 452518.

The previous prime is 905011. The next prime is 905053. The reversal of 905038 is 830509.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 830509 = 19 ⋅43711.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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, 226258 + ... + 226261.

It is an arithmetic number, because the mean of its divisors is an integer number (339390).

2⁹⁰⁵⁰³⁸ is an apocalyptic number.

905038 is a deficient number, since it is larger than the sum of its proper divisors (452522).

905038 is a wasteful number, since it uses less digits than its factorization.

905038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452521.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 905038 is about 951.3348516690. The cubic root of 905038 is about 96.7287565170.

Subtracting from 905038 its reverse (830509), we obtain a square (74529 = 273²).

The spelling of 905038 in words is "nine hundred five thousand, thirty-eight".