493564071 has 32 divisors (see below), whose sum is σ = 883588608. Its totient is φ = 236672640.

The previous prime is 493564063. The next prime is 493564081. The reversal of 493564071 is 170465394.

It is not a de Polignac number, because 493564071 - 2³ = 493564063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493564081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79176 + ... + 85181.

It is an arithmetic number, because the mean of its divisors is an integer number (27612144).

Almost surely, 2^493564071 is an apocalyptic number.

493564071 is a deficient number, since it is larger than the sum of its proper divisors (390024537).

493564071 is a wasteful number, since it uses less digits than its factorization.

493564071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164391.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 493564071 is about 22216.3019199866. The cubic root of 493564071 is about 790.2803422077.

It can be divided in two parts, 4935 and 64071, that added together give a triangular number (69006 = T₃₇₁).

The spelling of 493564071 in words is "four hundred ninety-three million, five hundred sixty-four thousand, seventy-one".