653234364 has 72 divisors (see below), whose sum is σ = 1762750080. Its totient is φ = 203364000.

The previous prime is 653234363. The next prime is 653234377. The reversal of 653234364 is 463432356.

653234364 is a `hidden beast` number, since 65 + 3 + 234 + 364 = 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 (653234363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41839 + ... + 55289.

It is an arithmetic number, because the mean of its divisors is an integer number (24482640).

Almost surely, 2^653234364 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 653234364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (881375040).

653234364 is an abundant number, since it is smaller than the sum of its proper divisors (1109515716).

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

653234364 is a wasteful number, since it uses less digits than its factorization.

653234364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13551 (or 13546 counting only the distinct ones).

The product of its digits is 155520, while the sum is 36.

The square root of 653234364 is about 25558.4499529999. The cubic root of 653234364 is about 867.6735147219.

The spelling of 653234364 in words is "six hundred fifty-three million, two hundred thirty-four thousand, three hundred sixty-four".