494393655 has 16 divisors (see below), whose sum is σ = 904034304. Its totient is φ = 226008480.

The previous prime is 494393651. The next prime is 494393657. The reversal of 494393655 is 556393494.

It is not a de Polignac number, because 494393655 - 2² = 494393651 is a prime.

It is a super-2 number, since 2×494393655² = 488850172208518050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494393651) 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, 2354151 + ... + 2354360.

It is an arithmetic number, because the mean of its divisors is an integer number (56502144).

Almost surely, 2^494393655 is an apocalyptic number.

494393655 is a deficient number, since it is larger than the sum of its proper divisors (409640649).

494393655 is a wasteful number, since it uses less digits than its factorization.

494393655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708526.

The product of its digits is 1749600, while the sum is 48.

The square root of 494393655 is about 22234.9646952722. The cubic root of 494393655 is about 790.7228629089.

The spelling of 494393655 in words is "four hundred ninety-four million, three hundred ninety-three thousand, six hundred fifty-five".