42312306 has 16 divisors (see below), whose sum is σ = 84728448. Its totient is φ = 14086800.

The previous prime is 42312299. The next prime is 42312307. The reversal of 42312306 is 60321324.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42312307) 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 7 ways as a sum of consecutive naturals, for example, 1596 + ... + 9336.

It is an arithmetic number, because the mean of its divisors is an integer number (5295528).

Almost surely, 2^42312306 is an apocalyptic number.

42312306 is an abundant number, since it is smaller than the sum of its proper divisors (42416142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42312306 is a wasteful number, since it uses less digits than its factorization.

42312306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8657.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 42312306 is about 6504.7910035604. The cubic root of 42312306 is about 348.4621123371.

The spelling of 42312306 in words is "forty-two million, three hundred twelve thousand, three hundred six".