611540328 has 32 divisors (see below), whose sum is σ = 1747258560. Its totient is φ = 174725760.

The previous prime is 611540323. The next prime is 611540351. The reversal of 611540328 is 823045116.

611540328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 611540295 and 611540304.

It is not an unprimeable number, because it can be changed into a prime (611540323) 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, 1819893 + ... + 1820228.

It is an arithmetic number, because the mean of its divisors is an integer number (54601830).

Almost surely, 2^611540328 is an apocalyptic number.

It is an amenable number.

611540328 is an abundant number, since it is smaller than the sum of its proper divisors (1135718232).

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

611540328 is a wasteful number, since it uses less digits than its factorization.

611540328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640137 (or 3640133 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 611540328 is about 24729.3414388657. The cubic root of 611540328 is about 848.8058562656.

The spelling of 611540328 in words is "six hundred eleven million, five hundred forty thousand, three hundred twenty-eight".