577641 has 4 divisors (see below), whose sum is σ = 770192. Its totient is φ = 385092.

The previous prime is 577639. The next prime is 577667. The reversal of 577641 is 146775.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 577641 - 2¹ = 577639 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 577599 and 577608.

It is not an unprimeable number, because it can be changed into a prime (577601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96271 + ... + 96276.

It is an arithmetic number, because the mean of its divisors is an integer number (192548).

2⁵⁷⁷⁶⁴¹ is an apocalyptic number.

It is an amenable number.

577641 is a deficient number, since it is larger than the sum of its proper divisors (192551).

577641 is a wasteful number, since it uses less digits than its factorization.

577641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192550.

The product of its digits is 5880, while the sum is 30.

The square root of 577641 is about 760.0269732056. The cubic root of 577641 is about 83.2822922997.

The spelling of 577641 in words is "five hundred seventy-seven thousand, six hundred forty-one".