442364929 has 2 divisors, whose sum is σ = 442364930. Its totient is φ = 442364928.

The previous prime is 442364921. The next prime is 442364971. The reversal of 442364929 is 929463244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 392634225 + 49730704 = 19815^2 + 7052^2 .

It is a cyclic number.

It is not a de Polignac number, because 442364929 - 2³ = 442364921 is a prime.

It is not a weakly prime, because it can be changed into another prime (442364921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221182464 + 221182465.

It is an arithmetic number, because the mean of its divisors is an integer number (221182465).

Almost surely, 2^442364929 is an apocalyptic number.

It is an amenable number.

442364929 is a deficient number, since it is larger than the sum of its proper divisors (1).

442364929 is an equidigital number, since it uses as much as digits as its factorization.

442364929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 43.

The square root of 442364929 is about 21032.4732021700. The cubic root of 442364929 is about 761.9507417359.

The spelling of 442364929 in words is "four hundred forty-two million, three hundred sixty-four thousand, nine hundred twenty-nine".