4395557 has 2 divisors, whose sum is σ = 4395558. Its totient is φ = 4395556.

The previous prime is 4395551. The next prime is 4395613. The reversal of 4395557 is 7555934.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3500641 + 894916 = 1871^2 + 946^2 .

It is a cyclic number.

It is not a de Polignac number, because 4395557 - 2⁴ = 4395541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4395557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4395551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197778 + 2197779.

It is an arithmetic number, because the mean of its divisors is an integer number (2197779).

Almost surely, 2^4395557 is an apocalyptic number.

It is an amenable number.

4395557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4395557 is an equidigital number, since it uses as much as digits as its factorization.

4395557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94500, while the sum is 38.

The square root of 4395557 is about 2096.5583702821. The cubic root of 4395557 is about 163.8090803267.

The spelling of 4395557 in words is "four million, three hundred ninety-five thousand, five hundred fifty-seven".