493311855 has 16 divisors (see below), whose sum is σ = 789827040. Its totient is φ = 262923648.

The previous prime is 493311851. The next prime is 493311883. The reversal of 493311855 is 558113394.

It is not a de Polignac number, because 493311855 - 2² = 493311851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493311851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14001 + ... + 34389.

It is an arithmetic number, because the mean of its divisors is an integer number (49364190).

Almost surely, 2^493311855 is an apocalyptic number.

493311855 is a deficient number, since it is larger than the sum of its proper divisors (296515185).

493311855 is a wasteful number, since it uses less digits than its factorization.

493311855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22010.

The product of its digits is 64800, while the sum is 39.

The square root of 493311855 is about 22210.6248223682. The cubic root of 493311855 is about 790.1457056463.

The spelling of 493311855 in words is "four hundred ninety-three million, three hundred eleven thousand, eight hundred fifty-five".