846622840 has 32 divisors (see below), whose sum is σ = 2177030880. Its totient is φ = 290270592.

The previous prime is 846622837. The next prime is 846622867. The reversal of 846622840 is 48226648.

846622840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 846622793 and 846622802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511547 + ... + 1512106.

It is an arithmetic number, because the mean of its divisors is an integer number (68032215).

Almost surely, 2^846622840 is an apocalyptic number.

It is an amenable number.

846622840 is an abundant number, since it is smaller than the sum of its proper divisors (1330408040).

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

846622840 is a wasteful number, since it uses less digits than its factorization.

846622840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023671 (or 3023667 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 846622840 is about 29096.7840147326. The cubic root of 846622840 is about 946.0120322612.

The spelling of 846622840 in words is "eight hundred forty-six million, six hundred twenty-two thousand, eight hundred forty".