442387034 has 4 divisors (see below), whose sum is σ = 663580554. Its totient is φ = 221193516.

The previous prime is 442387021. The next prime is 442387091. The reversal of 442387034 is 430783244.

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., 360430225 + 81956809 = 18985^2 + 9053^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442386985 and 442387003.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110596757 + ... + 110596760.

Almost surely, 2^442387034 is an apocalyptic number.

442387034 is a deficient number, since it is larger than the sum of its proper divisors (221193520).

442387034 is a wasteful number, since it uses less digits than its factorization.

442387034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221193519.

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 442387034 is about 21032.9986925307. The cubic root of 442387034 is about 761.9634330980.

The spelling of 442387034 in words is "four hundred forty-two million, three hundred eighty-seven thousand, thirty-four".