653728546 has 16 divisors (see below), whose sum is σ = 1002888576. Its totient is φ = 319452336.

The previous prime is 653728519. The next prime is 653728561. The reversal of 653728546 is 645827356.

It is a super-2 number, since 2×653728546² = 854722023710548232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 653728496 and 653728505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66565 + ... + 75751.

It is an arithmetic number, because the mean of its divisors is an integer number (62680536).

Almost surely, 2^653728546 is an apocalyptic number.

653728546 is a deficient number, since it is larger than the sum of its proper divisors (349160030).

653728546 is a wasteful number, since it uses less digits than its factorization.

653728546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9993.

The product of its digits is 1209600, while the sum is 46.

The square root of 653728546 is about 25568.1158085613. The cubic root of 653728546 is about 867.8922624249.

The spelling of 653728546 in words is "six hundred fifty-three million, seven hundred twenty-eight thousand, five hundred forty-six".