894287988 has 72 divisors (see below), whose sum is σ = 2518588800. Its totient is φ = 265224960.

The previous prime is 894287983. The next prime is 894288007. The reversal of 894287988 is 889782498.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894287981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5413 + ... + 42636.

It is an arithmetic number, because the mean of its divisors is an integer number (34980400).

Almost surely, 2^894287988 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 894287988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1259294400).

894287988 is an abundant number, since it is smaller than the sum of its proper divisors (1624300812).

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

894287988 is a wasteful number, since it uses less digits than its factorization.

894287988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48117 (or 48112 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 63.

The square root of 894287988 is about 29904.6482674517. The cubic root of 894287988 is about 963.4424974437.

It can be divided in two parts, 894 and 287988, that added together give a palindrome (288882).

The spelling of 894287988 in words is "eight hundred ninety-four million, two hundred eighty-seven thousand, nine hundred eighty-eight".