407489 has 2 divisors, whose sum is σ = 407490. Its totient is φ = 407488.

The previous prime is 407483. The next prime is 407501. The reversal of 407489 is 984704.

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., 339889 + 67600 = 583^2 + 260^2 .

It is a cyclic number.

It is not a de Polignac number, because 407489 - 2⁸ = 407233 is a prime.

It is not a weakly prime, because it can be changed into another prime (407483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203744 + 203745.

It is an arithmetic number, because the mean of its divisors is an integer number (203745).

2⁴⁰⁷⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

407489 is a deficient number, since it is larger than the sum of its proper divisors (1).

407489 is an equidigital number, since it uses as much as digits as its factorization.

407489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 407489 is about 638.3486508171. The cubic root of 407489 is about 74.1376182726.

The spelling of 407489 in words is "four hundred seven thousand, four hundred eighty-nine".