408423078 has 72 divisors (see below), whose sum is σ = 1045319184. Its totient is φ = 112894560.

The previous prime is 408423077. The next prime is 408423083. The reversal of 408423078 is 870324804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408423077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 119400 + ... + 122772.

It is an arithmetic number, because the mean of its divisors is an integer number (14518322).

Almost surely, 2^408423078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 408423078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522659592).

408423078 is an abundant number, since it is smaller than the sum of its proper divisors (636896106).

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

408423078 is a wasteful number, since it uses less digits than its factorization.

408423078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450 (or 3416 counting only the distinct ones).

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

The square root of 408423078 is about 20209.4799042430. The cubic root of 408423078 is about 741.9422304954.

The spelling of 408423078 in words is "four hundred eight million, four hundred twenty-three thousand, seventy-eight".