867440494 has 4 divisors (see below), whose sum is σ = 1301160744. Its totient is φ = 433720246.

The previous prime is 867440467. The next prime is 867440501. The reversal of 867440494 is 494044768.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216860122 + ... + 216860125.

It is an arithmetic number, because the mean of its divisors is an integer number (325290186).

Almost surely, 2^867440494 is an apocalyptic number.

867440494 is a deficient number, since it is larger than the sum of its proper divisors (433720250).

867440494 is a wasteful number, since it uses less digits than its factorization.

867440494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433720249.

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 867440494 is about 29452.3427591083. The cubic root of 867440494 is about 953.7031799162.

The spelling of 867440494 in words is "eight hundred sixty-seven million, four hundred forty thousand, four hundred ninety-four".