938144434 has 16 divisors (see below), whose sum is σ = 1430133120. Its totient is φ = 461476080.

The previous prime is 938144423. The next prime is 938144489. The reversal of 938144434 is 434441839.

It is a super-2 number, since 2×938144434² = 1760229958090360712, which contains 22 as substring.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34224 + ... + 55204.

It is an arithmetic number, because the mean of its divisors is an integer number (89383320).

Almost surely, 2^938144434 is an apocalyptic number.

938144434 is a deficient number, since it is larger than the sum of its proper divisors (491988686).

938144434 is a wasteful number, since it uses less digits than its factorization.

938144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21345.

The product of its digits is 165888, while the sum is 40.

The square root of 938144434 is about 30629.1435400992. The cubic root of 938144434 is about 978.9411143778.

The spelling of 938144434 in words is "nine hundred thirty-eight million, one hundred forty-four thousand, four hundred thirty-four".