894496493 has 6 divisors (see below), whose sum is σ = 983207022. Its totient is φ = 813178520.

The previous prime is 894496417. The next prime is 894496507. The reversal of 894496493 is 394694498.

It can be written as a sum of positive squares in only one way, i.e., 511981129 + 382515364 = 22627^2 + 19558^2 .

It is not a de Polignac number, because 894496493 - 2⁸ = 894496237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894496403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3696146 + ... + 3696387.

It is an arithmetic number, because the mean of its divisors is an integer number (163867837).

Almost surely, 2^894496493 is an apocalyptic number.

It is an amenable number.

894496493 is a deficient number, since it is larger than the sum of its proper divisors (88710529).

894496493 is a wasteful number, since it uses less digits than its factorization.

894496493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7392555 (or 7392544 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 56.

The square root of 894496493 is about 29908.1342279989. The cubic root of 894496493 is about 963.5173677952.

The spelling of 894496493 in words is "eight hundred ninety-four million, four hundred ninety-six thousand, four hundred ninety-three".