34640100 has 108 divisors (see below), whose sum is σ = 118482000. Its totient is φ = 8395200.

The previous prime is 34640087. The next prime is 34640107. The reversal of 34640100 is 104643.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (34640107) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8151 + ... + 11649.

Almost surely, 2^34640100 is an apocalyptic number.

34640100 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 34640100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59241000).

34640100 is an abundant number, since it is smaller than the sum of its proper divisors (83841900).

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

34640100 is a wasteful number, since it uses less digits than its factorization.

34640100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530 (or 3520 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 34640100 is about 5885.5840831646. The cubic root of 34640100 is about 325.9815689581.

Adding to 34640100 its reverse (104643), we get a palindrome (34744743).

The spelling of 34640100 in words is "thirty-four million, six hundred forty thousand, one hundred".