494301564 has 36 divisors (see below), whose sum is σ = 1255976176. Its totient is φ = 163911168.

The previous prime is 494301559. The next prime is 494301569. The reversal of 494301564 is 465103494.

494301564 is a `hidden beast` number, since 4 + 94 + 3 + 0 + 1 + 564 = 666.

It is an interprime number because it is at equal distance from previous prime (494301559) and next prime (494301569).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494301569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28624 + ... + 42519.

Almost surely, 2^494301564 is an apocalyptic number.

It is an amenable number.

494301564 is an abundant number, since it is smaller than the sum of its proper divisors (761674612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494301564 is a wasteful number, since it uses less digits than its factorization.

494301564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71346 (or 71341 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 494301564 is about 22232.8937387826. The cubic root of 494301564 is about 790.6737637210.

The spelling of 494301564 in words is "four hundred ninety-four million, three hundred one thousand, five hundred sixty-four".