10018434 has 16 divisors (see below), whose sum is σ = 21091680. Its totient is φ = 3163680.

The previous prime is 10018433. The next prime is 10018471. The reversal of 10018434 is 43481001.

It is a self number, because there is not a number n which added to its sum of digits gives 10018434.

It is not an unprimeable number, because it can be changed into a prime (10018433) 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 7 ways as a sum of consecutive naturals, for example, 43827 + ... + 44054.

It is an arithmetic number, because the mean of its divisors is an integer number (1318230).

Almost surely, 2^10018434 is an apocalyptic number.

10018434 is an abundant number, since it is smaller than the sum of its proper divisors (11073246).

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

10018434 is a wasteful number, since it uses less digits than its factorization.

10018434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87905.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 10018434 is about 3165.1909894981. The cubic root of 10018434 is about 215.5757705718.

Adding to 10018434 its reverse (43481001), we get a palindrome (53499435).

The spelling of 10018434 in words is "ten million, eighteen thousand, four hundred thirty-four".