474943387 has 4 divisors (see below), whose sum is σ = 475124400. Its totient is φ = 474762376.

The previous prime is 474943379. The next prime is 474943421. The reversal of 474943387 is 783349474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783349474 = 2 ⋅391674737.

It is a cyclic number.

It is not a de Polignac number, because 474943387 - 2³ = 474943379 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 474943387.

It is not an unprimeable number, because it can be changed into a prime (474943367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86512 + ... + 91837.

It is an arithmetic number, because the mean of its divisors is an integer number (118781100).

Almost surely, 2^474943387 is an apocalyptic number.

474943387 is a deficient number, since it is larger than the sum of its proper divisors (181013).

474943387 is a wasteful number, since it uses less digits than its factorization.

474943387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181012.

The product of its digits is 2032128, while the sum is 49.

The square root of 474943387 is about 21793.1958877077. The cubic root of 474943387 is about 780.2143762056.

The spelling of 474943387 in words is "four hundred seventy-four million, nine hundred forty-three thousand, three hundred eighty-seven".