404628234 has 8 divisors (see below), whose sum is σ = 809256480. Its totient is φ = 134876076.

The previous prime is 404628233. The next prime is 404628241. The reversal of 404628234 is 432826404.

It is a sphenic number, since it is the product of 3 distinct primes.

404628234 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 404628195 and 404628204.

It is not an unprimeable number, because it can be changed into a prime (404628233) 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 3 ways as a sum of consecutive naturals, for example, 33719014 + ... + 33719025.

It is an arithmetic number, because the mean of its divisors is an integer number (101157060).

Almost surely, 2^404628234 is an apocalyptic number.

404628234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

404628234 is a wasteful number, since it uses less digits than its factorization.

404628234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67438044.

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 404628234 is about 20115.3730763314. The cubic root of 404628234 is about 739.6371693410.

The spelling of 404628234 in words is "four hundred four million, six hundred twenty-eight thousand, two hundred thirty-four".