494938555 has 16 divisors (see below), whose sum is σ = 602743680. Its totient is φ = 390094848.

The previous prime is 494938553. The next prime is 494938559. The reversal of 494938555 is 555839494.

It is a cyclic number.

It is not a de Polignac number, because 494938555 - 2¹ = 494938553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494938553) 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, 233179 + ... + 235291.

It is an arithmetic number, because the mean of its divisors is an integer number (37671480).

Almost surely, 2^494938555 is an apocalyptic number.

494938555 is a deficient number, since it is larger than the sum of its proper divisors (107805125).

494938555 is a wasteful number, since it uses less digits than its factorization.

494938555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790.

The product of its digits is 3888000, while the sum is 52.

The square root of 494938555 is about 22247.2145447469. The cubic root of 494938555 is about 791.0132567996.

The spelling of 494938555 in words is "four hundred ninety-four million, nine hundred thirty-eight thousand, five hundred fifty-five".