903971 has 4 divisors (see below), whose sum is σ = 909552. Its totient is φ = 898392.

The previous prime is 903967. The next prime is 903979. The reversal of 903971 is 179309.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 903971 - 2² = 903967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (903979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2540 + ... + 2873.

It is an arithmetic number, because the mean of its divisors is an integer number (227388).

2⁹⁰³⁹⁷¹ is an apocalyptic number.

903971 is a deficient number, since it is larger than the sum of its proper divisors (5581).

903971 is a wasteful number, since it uses less digits than its factorization.

903971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 903971 is about 950.7738953084. The cubic root of 903971 is about 96.6907285853.

The spelling of 903971 in words is "nine hundred three thousand, nine hundred seventy-one".