474245646 has 16 divisors (see below), whose sum is σ = 1083990144. Its totient is φ = 135498744.

The previous prime is 474245641. The next prime is 474245663. The reversal of 474245646 is 646542474.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 11291563 = 474245646 / (4 + 7 + 4 + 2 + 4 + 5 + 6 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 474245598 and 474245607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474245641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5645740 + ... + 5645823.

It is an arithmetic number, because the mean of its divisors is an integer number (67749384).

Almost surely, 2^474245646 is an apocalyptic number.

474245646 is an abundant number, since it is smaller than the sum of its proper divisors (609744498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

474245646 is a wasteful number, since it uses less digits than its factorization.

474245646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11291575.

The product of its digits is 645120, while the sum is 42.

The square root of 474245646 is about 21777.1817735904. The cubic root of 474245646 is about 779.8321170571.

The spelling of 474245646 in words is "four hundred seventy-four million, two hundred forty-five thousand, six hundred forty-six".