434672018 has 16 divisors (see below), whose sum is σ = 734227200. Its totient is φ = 191204400.

The previous prime is 434671969. The next prime is 434672023. The reversal of 434672018 is 810276434.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 317993 + ... + 319356.

It is an arithmetic number, because the mean of its divisors is an integer number (45889200).

Almost surely, 2^434672018 is an apocalyptic number.

434672018 is a deficient number, since it is larger than the sum of its proper divisors (299555182).

434672018 is a wasteful number, since it uses less digits than its factorization.

434672018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637393.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 434672018 is about 20848.7893653325. The cubic root of 434672018 is about 757.5080070461.

The spelling of 434672018 in words is "four hundred thirty-four million, six hundred seventy-two thousand, eighteen".