894704642 has 32 divisors (see below), whose sum is σ = 1539760320. Its totient is φ = 386475840.

The previous prime is 894704633. The next prime is 894704647. The reversal of 894704642 is 246407498.

It is a super-3 number, since 3×894704642³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 894704593 and 894704602.

It is not an unprimeable number, because it can be changed into a prime (894704647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30092 + ... + 51912.

It is an arithmetic number, because the mean of its divisors is an integer number (48117510).

Almost surely, 2^894704642 is an apocalyptic number.

894704642 is a deficient number, since it is larger than the sum of its proper divisors (645055678).

894704642 is a wasteful number, since it uses less digits than its factorization.

894704642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21938.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 894704642 is about 29911.6138314201. The cubic root of 894704642 is about 963.5920987095.

The spelling of 894704642 in words is "eight hundred ninety-four million, seven hundred four thousand, six hundred forty-two".