611633484 has 384 divisors, whose sum is σ = 2150400000. Its totient is φ = 148599360.

The previous prime is 611633483. The next prime is 611633551. The reversal of 611633484 is 484336116.

It is a happy number.

611633484 is a `hidden beast` number, since 6 + 11 + 633 + 4 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611633483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7742157 + ... + 7742235.

It is an arithmetic number, because the mean of its divisors is an integer number (5600000).

Almost surely, 2^611633484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611633484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075200000).

611633484 is an abundant number, since it is smaller than the sum of its proper divisors (1538766516).

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

611633484 is a wasteful number, since it uses less digits than its factorization.

611633484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 121 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 611633484 is about 24731.2248786832. The cubic root of 611633484 is about 848.8489536380.

The spelling of 611633484 in words is "six hundred eleven million, six hundred thirty-three thousand, four hundred eighty-four".