34421100 has 144 divisors (see below), whose sum is σ = 117159168. Its totient is φ = 7637760.

The previous prime is 34421077. The next prime is 34421111. The reversal of 34421100 is 112443.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 34421100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77479 + ... + 77921.

Almost surely, 2^34421100 is an apocalyptic number.

34421100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34421100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58579584).

34421100 is an abundant number, since it is smaller than the sum of its proper divisors (82738068).

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

34421100 is a wasteful number, since it uses less digits than its factorization.

34421100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 34421100 is about 5866.9498037737. The cubic root of 34421100 is about 325.2931477321.

Adding to 34421100 its reverse (112443), we get a palindrome (34533543).

The spelling of 34421100 in words is "thirty-four million, four hundred twenty-one thousand, one hundred".