494690155 has 8 divisors (see below), whose sum is σ = 593776512. Its totient is φ = 395653248.

The previous prime is 494690107. The next prime is 494690171. The reversal of 494690155 is 551096494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 494690155 - 2¹⁷ = 494559083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15267 + ... + 34963.

It is an arithmetic number, because the mean of its divisors is an integer number (74222064).

Almost surely, 2^494690155 is an apocalyptic number.

494690155 is a deficient number, since it is larger than the sum of its proper divisors (99086357).

494690155 is a wasteful number, since it uses less digits than its factorization.

494690155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24725.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 494690155 is about 22241.6311227392. The cubic root of 494690155 is about 790.8809032840.

The spelling of 494690155 in words is "four hundred ninety-four million, six hundred ninety thousand, one hundred fifty-five".