442092447 has 12 divisors (see below), whose sum is σ = 639221544. Its totient is φ = 294431280.

The previous prime is 442092421. The next prime is 442092449. The reversal of 442092447 is 744290244.

442092447 is a `hidden beast` number, since 4 + 4 + 209 + 2 + 447 = 666.

It is not a de Polignac number, because 442092447 - 2⁶ = 442092383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442092449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15129 + ... + 33362.

It is an arithmetic number, because the mean of its divisors is an integer number (53268462).

Almost surely, 2^442092447 is an apocalyptic number.

442092447 is a deficient number, since it is larger than the sum of its proper divisors (197129097).

442092447 is a wasteful number, since it uses less digits than its factorization.

442092447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49510 (or 49507 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 442092447 is about 21025.9945543606. The cubic root of 442092447 is about 761.7942642128.

It can be divided in two parts, 44209 and 2447, that added together give a 6-th power (46656 = 6⁶).

The spelling of 442092447 in words is "four hundred forty-two million, ninety-two thousand, four hundred forty-seven".