474685889 has 4 divisors (see below), whose sum is σ = 477709524. Its totient is φ = 471662256.

The previous prime is 474685859. The next prime is 474685909. The reversal of 474685889 is 988586474.

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

It can be written as a sum of positive squares in 2 ways, for example, as 158130625 + 316555264 = 12575^2 + 17792^2 .

It is a cyclic number.

It is not a de Polignac number, because 474685889 - 2⁸ = 474685633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (474685819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1511582 + ... + 1511895.

It is an arithmetic number, because the mean of its divisors is an integer number (119427381).

Almost surely, 2^474685889 is an apocalyptic number.

It is an amenable number.

474685889 is a deficient number, since it is larger than the sum of its proper divisors (3023635).

474685889 is a wasteful number, since it uses less digits than its factorization.

474685889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023634.

The product of its digits is 15482880, while the sum is 59.

The square root of 474685889 is about 21787.2873254107. The cubic root of 474685889 is about 780.0733488989.

It can be divided in two parts, 474685 and 889, that added together give a palindrome (475574).

The spelling of 474685889 in words is "four hundred seventy-four million, six hundred eighty-five thousand, eight hundred eighty-nine".