442097547 has 16 divisors (see below), whose sum is σ = 624667680. Its totient is φ = 277625600.

The previous prime is 442097531. The next prime is 442097587. The reversal of 442097547 is 745790244.

It is a cyclic number.

It is not a de Polignac number, because 442097547 - 2⁴ = 442097531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442097499 and 442097508.

It is not an unprimeable number, because it can be changed into a prime (442097587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58404 + ... + 65537.

It is an arithmetic number, because the mean of its divisors is an integer number (39041730).

Almost surely, 2^442097547 is an apocalyptic number.

442097547 is a deficient number, since it is larger than the sum of its proper divisors (182570133).

442097547 is a wasteful number, since it uses less digits than its factorization.

442097547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124014.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 442097547 is about 21026.1158324594. The cubic root of 442097547 is about 761.7971935668.

The spelling of 442097547 in words is "four hundred forty-two million, ninety-seven thousand, five hundred forty-seven".