493198490 has 16 divisors (see below), whose sum is σ = 888785352. Its totient is φ = 197050944.

The previous prime is 493198487. The next prime is 493198507. The reversal of 493198490 is 94891394.

It can be written as a sum of positive squares in 4 ways, for example, as 462207001 + 30991489 = 21499^2 + 5567^2 .

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, 19349 + ... + 36888.

Almost surely, 2^493198490 is an apocalyptic number.

493198490 is a deficient number, since it is larger than the sum of its proper divisors (395586862).

493198490 is a wasteful number, since it uses less digits than its factorization.

493198490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57121.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 493198490 is about 22208.0726313654. The cubic root of 493198490 is about 790.0851748147.

The spelling of 493198490 in words is "four hundred ninety-three million, one hundred ninety-eight thousand, four hundred ninety".