42963844 has 24 divisors (see below), whose sum is σ = 93739968. Its totient is φ = 16739040.

The previous prime is 42963827. The next prime is 42963847. The reversal of 42963844 is 44836924.

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

It is a junction number, because it is equal to n+sod(n) for n = 42963797 and 42963806.

It is not an unprimeable number, because it can be changed into a prime (42963847) 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, 69439 + ... + 70054.

It is an arithmetic number, because the mean of its divisors is an integer number (3905832).

Almost surely, 2^42963844 is an apocalyptic number.

42963844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42963844 is an abundant number, since it is smaller than the sum of its proper divisors (50776124).

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

42963844 is a wasteful number, since it uses less digits than its factorization.

42963844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139515 (or 139513 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 42963844 is about 6554.6810753842. The cubic root of 42963844 is about 350.2415855895.

Subtracting 42963844 from its reverse (44836924), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 42963844 in words is "forty-two million, nine hundred sixty-three thousand, eight hundred forty-four".