442402246 has 16 divisors (see below), whose sum is σ = 779618448. Its totient is φ = 185623200.

The previous prime is 442402243. The next prime is 442402249. The reversal of 442402246 is 642204244.

It is an interprime number because it is at equal distance from previous prime (442402243) and next prime (442402249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442402241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773145 + ... + 773716.

It is an arithmetic number, because the mean of its divisors is an integer number (48726153).

Almost surely, 2^442402246 is an apocalyptic number.

442402246 is a deficient number, since it is larger than the sum of its proper divisors (337216202).

442402246 is a wasteful number, since it uses less digits than its factorization.

442402246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546887.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 442402246 is about 21033.3603116573. The cubic root of 442402246 is about 761.9721666684.

The spelling of 442402246 in words is "four hundred forty-two million, four hundred two thousand, two hundred forty-six".