472839146 has 8 divisors (see below), whose sum is σ = 763817124. Its totient is φ = 218233440.

The previous prime is 472839109. The next prime is 472839193. The reversal of 472839146 is 641938274.

It can be written as a sum of positive squares in 2 ways, for example, as 472584121 + 255025 = 21739^2 + 505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 472839097 and 472839106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9093035 + ... + 9093086.

Almost surely, 2^472839146 is an apocalyptic number.

472839146 is a deficient number, since it is larger than the sum of its proper divisors (290977978).

472839146 is a wasteful number, since it uses less digits than its factorization.

472839146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18186136.

The product of its digits is 290304, while the sum is 44.

The square root of 472839146 is about 21744.8648190785. The cubic root of 472839146 is about 779.0604213558.

The spelling of 472839146 in words is "four hundred seventy-two million, eight hundred thirty-nine thousand, one hundred forty-six".