442886046 has 16 divisors (see below), whose sum is σ = 889972608. Its totient is φ = 146928600.

The previous prime is 442886039. The next prime is 442886053. The reversal of 442886046 is 640688244.

It is an interprime number because it is at equal distance from previous prime (442886039) and next prime (442886053).

It is a super-2 number, since 2×442886046² = 392296099483028232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442885989 and 442886007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173650 + ... + 176181.

It is an arithmetic number, because the mean of its divisors is an integer number (55623288).

Almost surely, 2^442886046 is an apocalyptic number.

442886046 is an abundant number, since it is smaller than the sum of its proper divisors (447086562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442886046 is a wasteful number, since it uses less digits than its factorization.

442886046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350047.

The product of its (nonzero) digits is 294912, while the sum is 42.

The square root of 442886046 is about 21044.8579467765. The cubic root of 442886046 is about 762.2498233635.

The spelling of 442886046 in words is "four hundred forty-two million, eight hundred eighty-six thousand, forty-six".