494190539 has 8 divisors (see below), whose sum is σ = 497644560. Its totient is φ = 490744576.

The previous prime is 494190533. The next prime is 494190547. The reversal of 494190539 is 935091494.

It is a happy number.

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 494190539 - 2¹⁶ = 494125003 is a prime.

It is a super-2 number, since 2×494190539² = 488448577674221042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 494190539.

It is not an unprimeable number, because it can be changed into a prime (494190533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169139 + ... + 172035.

It is an arithmetic number, because the mean of its divisors is an integer number (62205570).

Almost surely, 2^494190539 is an apocalyptic number.

494190539 is a deficient number, since it is larger than the sum of its proper divisors (3454021).

494190539 is a wasteful number, since it uses less digits than its factorization.

494190539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 494190539 is about 22230.3967351012. The cubic root of 494190539 is about 790.6145615832.

The spelling of 494190539 in words is "four hundred ninety-four million, one hundred ninety thousand, five hundred thirty-nine".