918464894 has 4 divisors (see below), whose sum is σ = 1377697344. Its totient is φ = 459232446.

The previous prime is 918464893. The next prime is 918464917. The reversal of 918464894 is 498464819.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 498464819 = 1321 ⋅377339.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918464891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229616222 + ... + 229616225.

It is an arithmetic number, because the mean of its divisors is an integer number (344424336).

Almost surely, 2^918464894 is an apocalyptic number.

918464894 is a deficient number, since it is larger than the sum of its proper divisors (459232450).

918464894 is a wasteful number, since it uses less digits than its factorization.

918464894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459232449.

The product of its digits is 1990656, while the sum is 53.

The square root of 918464894 is about 30306.1857382284. The cubic root of 918464894 is about 972.0475732726.

The spelling of 918464894 in words is "nine hundred eighteen million, four hundred sixty-four thousand, eight hundred ninety-four".