4641389 has 2 divisors, whose sum is σ = 4641390. Its totient is φ = 4641388.

The previous prime is 4641379. The next prime is 4641397. The reversal of 4641389 is 9831464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4338889 + 302500 = 2083^2 + 550^2 .

It is a cyclic number.

It is not a de Polignac number, because 4641389 - 2¹⁶ = 4575853 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 6⁵ + 4¹¹ + 1 + 3¹¹ + 8 + 9 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4641379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320694 + 2320695.

It is an arithmetic number, because the mean of its divisors is an integer number (2320695).

Almost surely, 2^4641389 is an apocalyptic number.

It is an amenable number.

4641389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4641389 is an equidigital number, since it uses as much as digits as its factorization.

4641389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 4641389 is about 2154.3883122594. The cubic root of 4641389 is about 166.8076598031.

The spelling of 4641389 in words is "four million, six hundred forty-one thousand, three hundred eighty-nine".