473486644 has 6 divisors (see below), whose sum is σ = 828601634. Its totient is φ = 236743320.

The previous prime is 473486633. The next prime is 473486647. The reversal of 473486644 is 446684374.

It can be written as a sum of positive squares in only one way, i.e., 442260900 + 31225744 = 21030^2 + 5588^2 .

It is a junction number, because it is equal to n+sod(n) for n = 473486594 and 473486603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473486647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59185827 + ... + 59185834.

Almost surely, 2^473486644 is an apocalyptic number.

It is an amenable number.

473486644 is a deficient number, since it is larger than the sum of its proper divisors (355114990).

473486644 is a wasteful number, since it uses less digits than its factorization.

473486644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118371665 (or 118371663 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 46.

The square root of 473486644 is about 21759.7482522202. The cubic root of 473486644 is about 779.4158699171.

It can be divided in two parts, 4734 and 86644, that added together give a triangular number (91378 = T₄₂₇).

The spelling of 473486644 in words is "four hundred seventy-three million, four hundred eighty-six thousand, six hundred forty-four".