611326830 has 16 divisors (see below), whose sum is σ = 1467184464. Its totient is φ = 163020480.

The previous prime is 611326801. The next prime is 611326831. The reversal of 611326830 is 38623116.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 20377561 = 611326830 / (6 + 1 + 1 + 3 + 2 + 6 + 8 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611326831) 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, 10188751 + ... + 10188810.

It is an arithmetic number, because the mean of its divisors is an integer number (91699029).

Almost surely, 2^611326830 is an apocalyptic number.

611326830 is an abundant number, since it is smaller than the sum of its proper divisors (855857634).

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

611326830 is a wasteful number, since it uses less digits than its factorization.

611326830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20377571.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 611326830 is about 24725.0243680365. The cubic root of 611326830 is about 848.7070677708.

Adding to 611326830 its reverse (38623116), we get a palindrome (649949946).

The spelling of 611326830 in words is "six hundred eleven million, three hundred twenty-six thousand, eight hundred thirty".