43420878 has 12 divisors (see below), whose sum is σ = 94078608. Its totient is φ = 14473620.

The previous prime is 43420877. The next prime is 43420879. The reversal of 43420878 is 87802434.

43420878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (43420877) and next prime (43420879).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43420877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1206118 + ... + 1206153.

It is an arithmetic number, because the mean of its divisors is an integer number (7839884).

Almost surely, 2^43420878 is an apocalyptic number.

43420878 is an abundant number, since it is smaller than the sum of its proper divisors (50657730).

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

43420878 is a wasteful number, since it uses less digits than its factorization.

43420878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412279 (or 2412276 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 43420878 is about 6589.4520257757. The cubic root of 43420878 is about 351.4791226395.

It can be divided in two parts, 434 and 20878, that added together give a palindrome (21312).

The spelling of 43420878 in words is "forty-three million, four hundred twenty thousand, eight hundred seventy-eight".