903961 has 4 divisors (see below), whose sum is σ = 907024. Its totient is φ = 900900.

The previous prime is 903949. The next prime is 903967. The reversal of 903961 is 169309.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 903961 - 2⁹ = 903449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (903967) 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, 1035 + ... + 1696.

It is an arithmetic number, because the mean of its divisors is an integer number (226756).

2⁹⁰³⁹⁶¹ is an apocalyptic number.

It is an amenable number.

903961 is a deficient number, since it is larger than the sum of its proper divisors (3063).

903961 is a wasteful number, since it uses less digits than its factorization.

903961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 903961 is about 950.7686364200. The cubic root of 903961 is about 96.6903720434.

The spelling of 903961 in words is "nine hundred three thousand, nine hundred sixty-one".