493180946 has 4 divisors (see below), whose sum is σ = 739771422. Its totient is φ = 246590472.

The previous prime is 493180901. The next prime is 493180969. The reversal of 493180946 is 649081394.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 332880025 + 160300921 = 18245^2 + 12661^2 .

It is a junction number, because it is equal to n+sod(n) for n = 493180897 and 493180906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123295235 + ... + 123295238.

Almost surely, 2^493180946 is an apocalyptic number.

493180946 is a deficient number, since it is larger than the sum of its proper divisors (246590476).

493180946 is a wasteful number, since it uses less digits than its factorization.

493180946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246590475.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 493180946 is about 22207.6776363491. The cubic root of 493180946 is about 790.0758064306.

The spelling of 493180946 in words is "four hundred ninety-three million, one hundred eighty thousand, nine hundred forty-six".