494628919 has 16 divisors (see below), whose sum is σ = 531187200. Its totient is φ = 459176256.

The previous prime is 494628863. The next prime is 494628973. The reversal of 494628919 is 919826494.

It is a cyclic number.

It is not a de Polignac number, because 494628919 - 2⁷ = 494628791 is a prime.

It is a super-2 number, since 2×494628919² = 489315535022217122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494628019) 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, 518547 + ... + 519499.

It is an arithmetic number, because the mean of its divisors is an integer number (33199200).

Almost surely, 2^494628919 is an apocalyptic number.

494628919 is a deficient number, since it is larger than the sum of its proper divisors (36558281).

494628919 is a wasteful number, since it uses less digits than its factorization.

494628919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494.

The product of its digits is 1119744, while the sum is 52.

The square root of 494628919 is about 22240.2544724650. The cubic root of 494628919 is about 790.8482684580.

The spelling of 494628919 in words is "four hundred ninety-four million, six hundred twenty-eight thousand, nine hundred nineteen".