494263397 has 16 divisors (see below), whose sum is σ = 528702720. Its totient is φ = 460728000.

The previous prime is 494263391. The next prime is 494263417. The reversal of 494263397 is 793362494.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 494263397 - 2⁴ = 494263381 is a prime.

It is a super-2 number, since 2×494263397² = 488592611227959218, 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 (494263391) 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, 346628 + ... + 348050.

It is an arithmetic number, because the mean of its divisors is an integer number (33043920).

Almost surely, 2^494263397 is an apocalyptic number.

It is an amenable number.

494263397 is a deficient number, since it is larger than the sum of its proper divisors (34439323).

494263397 is a wasteful number, since it uses less digits than its factorization.

494263397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724.

The product of its digits is 979776, while the sum is 47.

The square root of 494263397 is about 22232.0353769060. The cubic root of 494263397 is about 790.6534128363.

The spelling of 494263397 in words is "four hundred ninety-four million, two hundred sixty-three thousand, three hundred ninety-seven".