846942440 has 32 divisors (see below), whose sum is σ = 1916165160. Its totient is φ = 336902400.

The previous prime is 846942407. The next prime is 846942443. The reversal of 846942440 is 44249648.

846942440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 180579844 + 666362596 = 13438^2 + 25814^2 .

It is a super-2 number, since 2×846942440² = 1434622993346307200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (846942443) 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, 51251 + ... + 65730.

Almost surely, 2^846942440 is an apocalyptic number.

It is an amenable number.

846942440 is an abundant number, since it is smaller than the sum of its proper divisors (1069222720).

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

846942440 is a wasteful number, since it uses less digits than its factorization.

846942440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117173 (or 117169 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 846942440 is about 29102.2755124062. The cubic root of 846942440 is about 946.1310570871.

The spelling of 846942440 in words is "eight hundred forty-six million, nine hundred forty-two thousand, four hundred forty".