471406618 has 4 divisors (see below), whose sum is σ = 707109930. Its totient is φ = 235703308.

The previous prime is 471406591. The next prime is 471406657. The reversal of 471406618 is 816604174.

It is a happy number.

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., 363931929 + 107474689 = 19077^2 + 10367^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117851653 + ... + 117851656.

Almost surely, 2^471406618 is an apocalyptic number.

471406618 is a deficient number, since it is larger than the sum of its proper divisors (235703312).

471406618 is a wasteful number, since it uses less digits than its factorization.

471406618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235703311.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 471406618 is about 21711.9003774428. The cubic root of 471406618 is about 778.2728703629.

The spelling of 471406618 in words is "four hundred seventy-one million, four hundred six thousand, six hundred eighteen".