894992142 has 64 divisors (see below), whose sum is σ = 2063232000. Its totient is φ = 256260480.

The previous prime is 894992141. The next prime is 894992167. The reversal of 894992142 is 241299498.

It is a junction number, because it is equal to n+sod(n) for n = 894992091 and 894992100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894992141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84984 + ... + 94932.

It is an arithmetic number, because the mean of its divisors is an integer number (32238000).

Almost surely, 2^894992142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 894992142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1031616000).

894992142 is an abundant number, since it is smaller than the sum of its proper divisors (1168239858).

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

894992142 is a wasteful number, since it uses less digits than its factorization.

894992142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10041.

The product of its digits is 373248, while the sum is 48.

The square root of 894992142 is about 29916.4192710291. The cubic root of 894992142 is about 963.6952996420.

The spelling of 894992142 in words is "eight hundred ninety-four million, nine hundred ninety-two thousand, one hundred forty-two".