611993352 has 32 divisors (see below), whose sum is σ = 1531529280. Its totient is φ = 203791680.

The previous prime is 611993339. The next prime is 611993359. The reversal of 611993352 is 253399116.

It is a self number, because there is not a number n which added to its sum of digits gives 611993352.

It is not an unprimeable number, because it can be changed into a prime (611993359) 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, 12378 + ... + 37110.

It is an arithmetic number, because the mean of its divisors is an integer number (47860290).

Almost surely, 2^611993352 is an apocalyptic number.

It is an amenable number.

611993352 is an abundant number, since it is smaller than the sum of its proper divisors (919535928).

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

611993352 is a wasteful number, since it uses less digits than its factorization.

611993352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25773 (or 25769 counting only the distinct ones).

The product of its digits is 43740, while the sum is 39.

The square root of 611993352 is about 24738.4993886048. The cubic root of 611993352 is about 849.0154006427.

The spelling of 611993352 in words is "six hundred eleven million, nine hundred ninety-three thousand, three hundred fifty-two".