494821365 has 16 divisors (see below), whose sum is σ = 802866816. Its totient is φ = 260187200.

The previous prime is 494821361. The next prime is 494821367. The reversal of 494821365 is 563128494.

It is not a de Polignac number, because 494821365 - 2² = 494821361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494821361) 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, 231246 + ... + 233375.

It is an arithmetic number, because the mean of its divisors is an integer number (50179176).

Almost surely, 2^494821365 is an apocalyptic number.

It is an amenable number.

494821365 is a deficient number, since it is larger than the sum of its proper divisors (308045451).

494821365 is a wasteful number, since it uses less digits than its factorization.

494821365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464700.

The product of its digits is 207360, while the sum is 42.

The square root of 494821365 is about 22244.5805759515. The cubic root of 494821365 is about 790.9508206582.

The spelling of 494821365 in words is "four hundred ninety-four million, eight hundred twenty-one thousand, three hundred sixty-five".