43446942 has 144 divisors (see below), whose sum is σ = 124705152. Its totient is φ = 11022480.

The previous prime is 43446937. The next prime is 43446943. The reversal of 43446942 is 24964434.

It is a junction number, because it is equal to n+sod(n) for n = 43446897 and 43446906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43446943) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1010373 + ... + 1010415.

It is an arithmetic number, because the mean of its divisors is an integer number (866008).

Almost surely, 2^43446942 is an apocalyptic number.

43446942 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 43446942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62352576).

43446942 is an abundant number, since it is smaller than the sum of its proper divisors (81258210).

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

43446942 is an equidigital number, since it uses as much as digits as its factorization.

43446942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 66 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 43446942 is about 6591.4294352591. The cubic root of 43446942 is about 351.5494353545.

It can be divided in two parts, 43 and 446942, that added together give a triangular number (446985 = T₉₄₅).

The spelling of 43446942 in words is "forty-three million, four hundred forty-six thousand, nine hundred forty-two".