4154389 has 2 divisors, whose sum is σ = 4154390. Its totient is φ = 4154388.

The previous prime is 4154383. The next prime is 4154417. The reversal of 4154389 is 9834514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4120900 + 33489 = 2030^2 + 183^2 .

It is a cyclic number.

It is not a de Polignac number, because 4154389 - 2¹¹ = 4152341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4154383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077194 + 2077195.

It is an arithmetic number, because the mean of its divisors is an integer number (2077195).

Almost surely, 2^4154389 is an apocalyptic number.

It is an amenable number.

4154389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4154389 is an equidigital number, since it uses as much as digits as its factorization.

4154389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 4154389 is about 2038.2318317601. The cubic root of 4154389 is about 160.7566891803.

The spelling of 4154389 in words is "four million, one hundred fifty-four thousand, three hundred eighty-nine".