234640100 has 36 divisors (see below), whose sum is σ = 510894384. Its totient is φ = 93538080.

The previous prime is 234640057. The next prime is 234640117. The reversal of 234640100 is 1046432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26879 + ... + 34521.

Almost surely, 2^234640100 is an apocalyptic number.

234640100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234640100 is an abundant number, since it is smaller than the sum of its proper divisors (276254284).

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

234640100 is a wasteful number, since it uses less digits than its factorization.

234640100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7964 (or 7957 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 234640100 is about 15317.9665752345. The cubic root of 234640100 is about 616.7853906628.

Adding to 234640100 its reverse (1046432), we get a palindrome (235686532).

The spelling of 234640100 in words is "two hundred thirty-four million, six hundred forty thousand, one hundred".