100432434 has 16 divisors (see below), whose sum is σ = 205536672. Its totient is φ = 32698848.

The previous prime is 100432433. The next prime is 100432439. The reversal of 100432434 is 434234001.

It is a self number, because there is not a number n which added to its sum of digits gives 100432434.

It is not an unprimeable number, because it can be changed into a prime (100432433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194379 + ... + 194894.

It is an arithmetic number, because the mean of its divisors is an integer number (12846042).

Almost surely, 2^100432434 is an apocalyptic number.

100432434 is an abundant number, since it is smaller than the sum of its proper divisors (105104238).

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

100432434 is a wasteful number, since it uses less digits than its factorization.

100432434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389321.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 100432434 is about 10021.5983755088. The cubic root of 100432434 is about 464.8269815321.

Adding to 100432434 its reverse (434234001), we get a palindrome (534666435).

The spelling of 100432434 in words is "one hundred million, four hundred thirty-two thousand, four hundred thirty-four".