438184434 has 32 divisors (see below), whose sum is σ = 888068160. Its totient is φ = 144124992.

The previous prime is 438184429. The next prime is 438184457. The reversal of 438184434 is 434481834.

It is a junction number, because it is equal to n+sod(n) for n = 438184392 and 438184401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142764 + ... + 145800.

It is an arithmetic number, because the mean of its divisors is an integer number (27752130).

Almost surely, 2^438184434 is an apocalyptic number.

438184434 is an abundant number, since it is smaller than the sum of its proper divisors (449883726).

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

438184434 is a wasteful number, since it uses less digits than its factorization.

438184434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354.

The product of its digits is 147456, while the sum is 39.

The square root of 438184434 is about 20932.8553714012. The cubic root of 438184434 is about 759.5429118976.

The spelling of 438184434 in words is "four hundred thirty-eight million, one hundred eighty-four thousand, four hundred thirty-four".