894399020 has 48 divisors (see below), whose sum is σ = 1898769600. Its totient is φ = 353869824.

The previous prime is 894399017. The next prime is 894399029. The reversal of 894399020 is 20993498.

It is not an unprimeable number, because it can be changed into a prime (894399029) 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, 1229897 + ... + 1230623.

It is an arithmetic number, because the mean of its divisors is an integer number (39557700).

Almost surely, 2^894399020 is an apocalyptic number.

It is an amenable number.

894399020 is an abundant number, since it is smaller than the sum of its proper divisors (1004370580).

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

894399020 is a wasteful number, since it uses less digits than its factorization.

894399020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 894399020 is about 29906.5046436390. The cubic root of 894399020 is about 963.4823684629.

The spelling of 894399020 in words is "eight hundred ninety-four million, three hundred ninety-nine thousand, twenty".