442284492 has 54 divisors (see below), whose sum is σ = 1119886068. Its totient is φ = 135796128.

The previous prime is 442284449. The next prime is 442284499. The reversal of 442284492 is 294482244.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 442284492.

It is not an unprimeable number, because it can be changed into a prime (442284499) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 946843 + ... + 947309.

Almost surely, 2^442284492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442284492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559943034).

442284492 is an abundant number, since it is smaller than the sum of its proper divisors (677601576).

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

442284492 is a wasteful number, since it uses less digits than its factorization.

442284492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967 (or 485 counting only the distinct ones).

The product of its digits is 147456, while the sum is 39.

The square root of 442284492 is about 21030.5609055013. The cubic root of 442284492 is about 761.9045560771.

The spelling of 442284492 in words is "four hundred forty-two million, two hundred eighty-four thousand, four hundred ninety-two".