450629 has 4 divisors (see below), whose sum is σ = 456876. Its totient is φ = 444384.

The previous prime is 450617. The next prime is 450641. The reversal of 450629 is 926054.

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

It is an interprime number because it is at equal distance from previous prime (450617) and next prime (450641).

It can be written as a sum of positive squares in 2 ways, for example, as 93025 + 357604 = 305^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 450629 - 2¹² = 446533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450598 and 450607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450649) 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, 3014 + ... + 3159.

It is an arithmetic number, because the mean of its divisors is an integer number (114219).

2⁴⁵⁰⁶²⁹ is an apocalyptic number.

It is an amenable number.

450629 is a deficient number, since it is larger than the sum of its proper divisors (6247).

450629 is an equidigital number, since it uses as much as digits as its factorization.

450629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6246.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 450629 is about 671.2890584540. The cubic root of 450629 is about 76.6666309599. Note that the first 4 decimals are identical.

The spelling of 450629 in words is "four hundred fifty thousand, six hundred twenty-nine".