442441829 has 2 divisors, whose sum is σ = 442441830. Its totient is φ = 442441828.

The previous prime is 442441807. The next prime is 442441837. The reversal of 442441829 is 928144244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 391960804 + 50481025 = 19798^2 + 7105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442441829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442441792 and 442441801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442441529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221220914 + 221220915.

It is an arithmetic number, because the mean of its divisors is an integer number (221220915).

Almost surely, 2^442441829 is an apocalyptic number.

It is an amenable number.

442441829 is a deficient number, since it is larger than the sum of its proper divisors (1).

442441829 is an equidigital number, since it uses as much as digits as its factorization.

442441829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 38.

The square root of 442441829 is about 21034.3012481993. The cubic root of 442441829 is about 761.9948912703.

The spelling of 442441829 in words is "four hundred forty-two million, four hundred forty-one thousand, eight hundred twenty-nine".