42943596 has 12 divisors (see below), whose sum is σ = 100201752. Its totient is φ = 14314528.

The previous prime is 42943561. The next prime is 42943597. The reversal of 42943596 is 69534924.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×42943596² = 3688304874822432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (42943597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1789305 + ... + 1789328.

It is an arithmetic number, because the mean of its divisors is an integer number (8350146).

Almost surely, 2^42943596 is an apocalyptic number.

It is an amenable number.

42943596 is an abundant number, since it is smaller than the sum of its proper divisors (57258156).

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

42943596 is a wasteful number, since it uses less digits than its factorization.

42943596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578640 (or 3578638 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 42943596 is about 6553.1363483450. The cubic root of 42943596 is about 350.1865563268.

The spelling of 42943596 in words is "forty-two million, nine hundred forty-three thousand, five hundred ninety-six".