846938646 has 16 divisors (see below), whose sum is σ = 1882086000. Its totient is φ = 282312864.

The previous prime is 846938629. The next prime is 846938647. The reversal of 846938646 is 646839648.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 15684049 = 846938646 / (8 + 4 + 6 + 9 + 3 + 8 + 6 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 846938592 and 846938601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846938647) 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, 7841971 + ... + 7842078.

It is an arithmetic number, because the mean of its divisors is an integer number (117630375).

Almost surely, 2^846938646 is an apocalyptic number.

846938646 is an abundant number, since it is smaller than the sum of its proper divisors (1035147354).

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

846938646 is a wasteful number, since it uses less digits than its factorization.

846938646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15684060 (or 15684054 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The square root of 846938646 is about 29102.2103284269. The cubic root of 846938646 is about 946.1296443084.

It can be divided in two parts, 84693 and 8646, that added together give a palindrome (93339).

The spelling of 846938646 in words is "eight hundred forty-six million, nine hundred thirty-eight thousand, six hundred forty-six".