894391057 has 8 divisors (see below), whose sum is σ = 1032282432. Its totient is φ = 759030000.

The previous prime is 894391039. The next prime is 894391067. The reversal of 894391057 is 750193498.

It is a happy number.

894391057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 894391057 - 2¹⁹ = 893866769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 894390998 and 894391016.

It is not an unprimeable number, because it can be changed into a prime (894391067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631819 + ... + 633232.

It is an arithmetic number, because the mean of its divisors is an integer number (129035304).

Almost surely, 2^894391057 is an apocalyptic number.

It is an amenable number.

894391057 is a deficient number, since it is larger than the sum of its proper divisors (137891375).

894391057 is a wasteful number, since it uses less digits than its factorization.

894391057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265159.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 894391057 is about 29906.3715117699. The cubic root of 894391057 is about 963.4795091005.

It can be divided in two parts, 8943 and 91057, that added together give a 5-th power (100000 = 10⁵).

The spelling of 894391057 in words is "eight hundred ninety-four million, three hundred ninety-one thousand, fifty-seven".