42918346 has 4 divisors (see below), whose sum is σ = 64377522. Its totient is φ = 21459172.

The previous prime is 42918331. The next prime is 42918377. The reversal of 42918346 is 64381924.

42918346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 33767721 + 9150625 = 5811^2 + 3025^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10729585 + ... + 10729588.

Almost surely, 2^42918346 is an apocalyptic number.

42918346 is a deficient number, since it is larger than the sum of its proper divisors (21459176).

42918346 is a wasteful number, since it uses less digits than its factorization.

42918346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21459175.

The product of its digits is 41472, while the sum is 37.

The square root of 42918346 is about 6551.2095066484. The cubic root of 42918346 is about 350.1179085736.

It can be divided in two parts, 42918 and 346, that added together give a square (43264 = 208²).

The spelling of 42918346 in words is "forty-two million, nine hundred eighteen thousand, three hundred forty-six".