100400334 has 24 divisors (see below), whose sum is σ = 213310968. Its totient is φ = 31497600.

The previous prime is 100400329. The next prime is 100400357. The reversal of 100400334 is 433004001.

It is a congruent number.

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, 27217 + ... + 30684.

It is an arithmetic number, because the mean of its divisors is an integer number (8887957).

Almost surely, 2^100400334 is an apocalyptic number.

100400334 is an abundant number, since it is smaller than the sum of its proper divisors (112910634).

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

100400334 is a wasteful number, since it uses less digits than its factorization.

100400334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57940 (or 57923 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 100400334 is about 10019.9967065863. The cubic root of 100400334 is about 464.7774539194. Note that the first 3 decimals are identical.

Adding to 100400334 its reverse (433004001), we get a palindrome (533404335).

The spelling of 100400334 in words is "one hundred million, four hundred thousand, three hundred thirty-four".