415489 has 2 divisors, whose sum is σ = 415490. Its totient is φ = 415488.

The previous prime is 415477. The next prime is 415507. The reversal of 415489 is 984514.

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., 350464 + 65025 = 592^2 + 255^2 .

It is a cyclic number.

It is not a de Polignac number, because 415489 - 2⁹ = 414977 is a prime.

It is a super-2 number, since 2×415489² = 345262218242, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

415489 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 415489.

It is not a weakly prime, because it can be changed into another prime (415409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207744 + 207745.

It is an arithmetic number, because the mean of its divisors is an integer number (207745).

2⁴¹⁵⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

415489 is a deficient number, since it is larger than the sum of its proper divisors (1).

415489 is an equidigital number, since it uses as much as digits as its factorization.

415489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

The square root of 415489 is about 644.5843622056. The cubic root of 415489 is about 74.6196446957.

The spelling of 415489 in words is "four hundred fifteen thousand, four hundred eighty-nine".