905423242 has 16 divisors (see below), whose sum is σ = 1363636800. Its totient is φ = 450882432.

The previous prime is 905423219. The next prime is 905423243. The reversal of 905423242 is 242324509.

It is not an unprimeable number, because it can be changed into a prime (905423243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805693 + ... + 806815.

It is an arithmetic number, because the mean of its divisors is an integer number (85227300).

Almost surely, 2^905423242 is an apocalyptic number.

905423242 is a deficient number, since it is larger than the sum of its proper divisors (458213558).

905423242 is a wasteful number, since it uses less digits than its factorization.

905423242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 905423242 is about 30090.2516107792. The cubic root of 905423242 is about 967.4247921651.

The spelling of 905423242 in words is "nine hundred five million, four hundred twenty-three thousand, two hundred forty-two".