905942 has 8 divisors (see below), whose sum is σ = 1366536. Its totient is φ = 450432.

The previous prime is 905923. The next prime is 905951. The reversal of 905942 is 249509.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

905942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788 + ... + 1559.

It is an arithmetic number, because the mean of its divisors is an integer number (170817).

2⁹⁰⁵⁹⁴² is an apocalyptic number.

905942 is a deficient number, since it is larger than the sum of its proper divisors (460594).

905942 is a wasteful number, since it uses less digits than its factorization.

905942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 905942 is about 951.8098549605. The cubic root of 905942 is about 96.7609517390.

The spelling of 905942 in words is "nine hundred five thousand, nine hundred forty-two".