474906389 has 4 divisors (see below), whose sum is σ = 475484256. Its totient is φ = 474328524.

The previous prime is 474906379. The next prime is 474906409. The reversal of 474906389 is 983609474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 983609474 = 2 ⋅491804737.

It is a cyclic number.

It is not a de Polignac number, because 474906389 - 2¹⁶ = 474840853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474906379) 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, 287699 + ... + 289344.

It is an arithmetic number, because the mean of its divisors is an integer number (118871064).

Almost surely, 2^474906389 is an apocalyptic number.

It is an amenable number.

474906389 is a deficient number, since it is larger than the sum of its proper divisors (577867).

474906389 is an equidigital number, since it uses as much as digits as its factorization.

474906389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577866.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 474906389 is about 21792.3470282574. The cubic root of 474906389 is about 780.1941161620.

The spelling of 474906389 in words is "four hundred seventy-four million, nine hundred six thousand, three hundred eighty-nine".