442800937 has 2 divisors, whose sum is σ = 442800938. Its totient is φ = 442800936.

The previous prime is 442800907. The next prime is 442800949. The reversal of 442800937 is 739008244.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248031001 + 194769936 = 15749^2 + 13956^2 .

It is a cyclic number.

It is not a de Polignac number, because 442800937 - 2¹⁵ = 442768169 is a prime.

It is a super-3 number, since 3×442800937³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442800896 and 442800905.

It is not a weakly prime, because it can be changed into another prime (442800907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221400468 + 221400469.

It is an arithmetic number, because the mean of its divisors is an integer number (221400469).

Almost surely, 2^442800937 is an apocalyptic number.

It is an amenable number.

442800937 is a deficient number, since it is larger than the sum of its proper divisors (1).

442800937 is an equidigital number, since it uses as much as digits as its factorization.

442800937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 442800937 is about 21042.8357642215. The cubic root of 442800937 is about 762.2009932887.

The spelling of 442800937 in words is "four hundred forty-two million, eight hundred thousand, nine hundred thirty-seven".