434321138 has 8 divisors (see below), whose sum is σ = 652967040. Its totient is φ = 216665460.

The previous prime is 434321101. The next prime is 434321179. The reversal of 434321138 is 831123434.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 434321138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246458 + ... + 248213.

It is an arithmetic number, because the mean of its divisors is an integer number (81620880).

Almost surely, 2^434321138 is an apocalyptic number.

434321138 is a deficient number, since it is larger than the sum of its proper divisors (218645902).

434321138 is a wasteful number, since it uses less digits than its factorization.

434321138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495112.

The product of its digits is 6912, while the sum is 29.

The square root of 434321138 is about 20840.3727893721. The cubic root of 434321138 is about 757.3041246171.

The spelling of 434321138 in words is "four hundred thirty-four million, three hundred twenty-one thousand, one hundred thirty-eight".