474364861 has 4 divisors (see below), whose sum is σ = 490722300. Its totient is φ = 458007424.

The previous prime is 474364859. The next prime is 474364867. The reversal of 474364861 is 168463474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 168463474 = 2 ⋅84231737.

It can be written as a sum of positive squares in 2 ways, for example, as 231192025 + 243172836 = 15205^2 + 15594^2 .

It is a cyclic number.

It is not a de Polignac number, because 474364861 - 2¹ = 474364859 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 (474364867) 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, 8178676 + ... + 8178733.

It is an arithmetic number, because the mean of its divisors is an integer number (122680575).

Almost surely, 2^474364861 is an apocalyptic number.

It is an amenable number.

474364861 is a deficient number, since it is larger than the sum of its proper divisors (16357439).

474364861 is a wasteful number, since it uses less digits than its factorization.

474364861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16357438.

The product of its digits is 387072, while the sum is 43.

The square root of 474364861 is about 21779.9187555877. The cubic root of 474364861 is about 779.8974558379.

The spelling of 474364861 in words is "four hundred seventy-four million, three hundred sixty-four thousand, eight hundred sixty-one".