494215965 has 32 divisors (see below), whose sum is σ = 879768960. Its totient is φ = 263233152.

The previous prime is 494215963. The next prime is 494215979. The reversal of 494215965 is 569512494.

494215965 is a `hidden beast` number, since 494 + 2 + 159 + 6 + 5 = 666.

It is not a de Polignac number, because 494215965 - 2¹ = 494215963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 494215965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494215963) 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, 124542 + ... + 128448.

It is an arithmetic number, because the mean of its divisors is an integer number (27492780).

Almost surely, 2^494215965 is an apocalyptic number.

494215965 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

494215965 is a deficient number, since it is larger than the sum of its proper divisors (385552995).

494215965 is a wasteful number, since it uses less digits than its factorization.

494215965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858 (or 4852 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 494215965 is about 22230.9686023799. The cubic root of 494215965 is about 790.6281203353.

The spelling of 494215965 in words is "four hundred ninety-four million, two hundred fifteen thousand, nine hundred sixty-five".