611621036 has 48 divisors (see below), whose sum is σ = 1223468064. Its totient is φ = 265030656.

The previous prime is 611621033. The next prime is 611621071. The reversal of 611621036 is 630126116.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 611620996 and 611621014.

It is not an unprimeable number, because it can be changed into a prime (611621033) 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 15 ways as a sum of consecutive naturals, for example, 603266 + ... + 604278.

It is an arithmetic number, because the mean of its divisors is an integer number (25488918).

Almost surely, 2^611621036 is an apocalyptic number.

It is an amenable number.

611621036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

611621036 is a wasteful number, since it uses less digits than its factorization.

611621036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730 (or 1728 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 611621036 is about 24730.9732117440. The cubic root of 611621036 is about 848.8431949913.

The spelling of 611621036 in words is "six hundred eleven million, six hundred twenty-one thousand, thirty-six".