39454042 has 8 divisors (see below), whose sum is σ = 62662356. Its totient is φ = 18566592.

The previous prime is 39454001. The next prime is 39454057. The reversal of 39454042 is 24045493.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29713401 + 9740641 = 5451^2 + 3121^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 39453995 and 39454013.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 580173 + ... + 580240.

Almost surely, 2^39454042 is an apocalyptic number.

39454042 is a deficient number, since it is larger than the sum of its proper divisors (23208314).

39454042 is a wasteful number, since it uses less digits than its factorization.

39454042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160432.

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

The square root of 39454042 is about 6281.2452587047. The cubic root of 39454042 is about 340.4320976838.

The spelling of 39454042 in words is "thirty-nine million, four hundred fifty-four thousand, forty-two".