894781242 has 20 divisors (see below), whose sum is σ = 2004973146. Its totient is φ = 298260360.

The previous prime is 894781219. The next prime is 894781243. The reversal of 894781242 is 242187498.

It can be written as a sum of positive squares in only one way, i.e., 458430921 + 436350321 = 21411^2 + 20889^2 .

It is not an unprimeable number, because it can be changed into a prime (894781243) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2761509 + ... + 2761832.

Almost surely, 2^894781242 is an apocalyptic number.

894781242 is an abundant number, since it is smaller than the sum of its proper divisors (1110191904).

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

894781242 is a wasteful number, since it uses less digits than its factorization.

894781242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5523355 (or 5523346 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 894781242 is about 29912.8942431186. The cubic root of 894781242 is about 963.6195971877.

The spelling of 894781242 in words is "eight hundred ninety-four million, seven hundred eighty-one thousand, two hundred forty-two".