450419 has 4 divisors (see below), whose sum is σ = 454896. Its totient is φ = 445944.

The previous prime is 450413. The next prime is 450421. The reversal of 450419 is 914054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450419 - 2⁴ = 450403 is a prime.

It is a super-2 number, since 2×450419² = 405754551122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450394 and 450403.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 450419.

It is not an unprimeable number, because it can be changed into a prime (450413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2084 + ... + 2289.

It is an arithmetic number, because the mean of its divisors is an integer number (113724).

2⁴⁵⁰⁴¹⁹ is an apocalyptic number.

450419 is a deficient number, since it is larger than the sum of its proper divisors (4477).

450419 is a wasteful number, since it uses less digits than its factorization.

450419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 450419 is about 671.1326247472. The cubic root of 450419 is about 76.6547198356.

The spelling of 450419 in words is "four hundred fifty thousand, four hundred nineteen".