905342 has 4 divisors (see below), whose sum is σ = 1358016. Its totient is φ = 452670.

The previous prime is 905339. The next prime is 905347. The reversal of 905342 is 243509.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (905347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226334 + ... + 226337.

It is an arithmetic number, because the mean of its divisors is an integer number (339504).

2⁹⁰⁵³⁴² is an apocalyptic number.

905342 is a deficient number, since it is larger than the sum of its proper divisors (452674).

905342 is a wasteful number, since it uses less digits than its factorization.

905342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452673.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 905342 is about 951.4946137525. The cubic root of 905342 is about 96.7395856204.

The spelling of 905342 in words is "nine hundred five thousand, three hundred forty-two".