442029383 has 2 divisors, whose sum is σ = 442029384. Its totient is φ = 442029382.

The previous prime is 442029373. The next prime is 442029421. The reversal of 442029383 is 383920244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442029383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442029373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221014691 + 221014692.

It is an arithmetic number, because the mean of its divisors is an integer number (221014692).

Almost surely, 2^442029383 is an apocalyptic number.

442029383 is a deficient number, since it is larger than the sum of its proper divisors (1).

442029383 is an equidigital number, since it uses as much as digits as its factorization.

442029383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 442029383 is about 21024.4948334080. The cubic root of 442029383 is about 761.7580394530.

The spelling of 442029383 in words is "four hundred forty-two million, twenty-nine thousand, three hundred eighty-three".