894439005 has 16 divisors (see below), whose sum is σ = 1433088384. Its totient is φ = 476372160.

The previous prime is 894438989. The next prime is 894439009. The reversal of 894439005 is 500934498.

It is not a de Polignac number, because 894439005 - 2⁴ = 894438989 is a prime.

It is a super-2 number, since 2×894439005² = 1600042267330780050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894439009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30106 + ... + 51915.

It is an arithmetic number, because the mean of its divisors is an integer number (89568024).

Almost surely, 2^894439005 is an apocalyptic number.

It is an amenable number.

894439005 is a deficient number, since it is larger than the sum of its proper divisors (538649379).

894439005 is a wasteful number, since it uses less digits than its factorization.

894439005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82756.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 894439005 is about 29907.1731362227. The cubic root of 894439005 is about 963.4967260623.

The spelling of 894439005 in words is "eight hundred ninety-four million, four hundred thirty-nine thousand, five".