493333378 has 4 divisors (see below), whose sum is σ = 740000070. Its totient is φ = 246666688.

The previous prime is 493333369. The next prime is 493333409. The reversal of 493333378 is 873333394.

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., 477116649 + 16216729 = 21843^2 + 4027^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123333343 + ... + 123333346.

Almost surely, 2^493333378 is an apocalyptic number.

493333378 is a deficient number, since it is larger than the sum of its proper divisors (246666692).

493333378 is a wasteful number, since it uses less digits than its factorization.

493333378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246666691.

The product of its digits is 489888, while the sum is 43.

The square root of 493333378 is about 22211.1093374464. The cubic root of 493333378 is about 790.1571967267.

The spelling of 493333378 in words is "four hundred ninety-three million, three hundred thirty-three thousand, three hundred seventy-eight".