903994 has 16 divisors (see below), whose sum is σ = 1669248. Its totient is φ = 357552.

The previous prime is 903979. The next prime is 904019. The reversal of 903994 is 499309.

903994 = 166² + 167² + ... + 193².

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2302 + ... + 2665.

It is an arithmetic number, because the mean of its divisors is an integer number (104328).

2⁹⁰³⁹⁹⁴ is an apocalyptic number.

903994 is a deficient number, since it is larger than the sum of its proper divisors (765254).

903994 is a wasteful number, since it uses less digits than its factorization.

903994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 903994 is about 950.7859906414. The cubic root of 903994 is about 96.6915486219.

The spelling of 903994 in words is "nine hundred three thousand, nine hundred ninety-four".