894280445 has 4 divisors (see below), whose sum is σ = 1073136540. Its totient is φ = 715424352.

The previous prime is 894280399. The next prime is 894280447. The reversal of 894280445 is 544082498.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544082498 = 2 ⋅272041249.

It can be written as a sum of positive squares in 2 ways, for example, as 92371321 + 801909124 = 9611^2 + 28318^2 .

It is a cyclic number.

It is not a de Polignac number, because 894280445 - 2¹⁴ = 894264061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 894280396 and 894280405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894280447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89428040 + ... + 89428049.

It is an arithmetic number, because the mean of its divisors is an integer number (268284135).

Almost surely, 2^894280445 is an apocalyptic number.

It is an amenable number.

894280445 is a deficient number, since it is larger than the sum of its proper divisors (178856095).

894280445 is a wasteful number, since it uses less digits than its factorization.

894280445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178856094.

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 894280445 is about 29904.5221496683. The cubic root of 894280445 is about 963.4397886716.

The spelling of 894280445 in words is "eight hundred ninety-four million, two hundred eighty thousand, four hundred forty-five".