632389 has 2 divisors, whose sum is σ = 632390. Its totient is φ = 632388.

The previous prime is 632381. The next prime is 632393. The reversal of 632389 is 983236.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 588289 + 44100 = 767^2 + 210^2 .

It is a cyclic number.

It is not a de Polignac number, because 632389 - 2³ = 632381 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 632389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316194 + 316195.

It is an arithmetic number, because the mean of its divisors is an integer number (316195).

2⁶³²³⁸⁹ is an apocalyptic number.

It is an amenable number.

632389 is a deficient number, since it is larger than the sum of its proper divisors (1).

632389 is an equidigital number, since it uses as much as digits as its factorization.

632389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 632389 is about 795.2288978653. The cubic root of 632389 is about 85.8344118590.

The spelling of 632389 in words is "six hundred thirty-two thousand, three hundred eighty-nine".