662429 has 4 divisors (see below), whose sum is σ = 672384. Its totient is φ = 652476.

The previous prime is 662407. The next prime is 662443. The reversal of 662429 is 924266.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-662429 is a prime.

It is a d-powerful number, because it can be written as 6² + 6³ + 4⁴ + 2¹⁷ + 2¹⁹ + 9⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4877 + ... + 5010.

It is an arithmetic number, because the mean of its divisors is an integer number (168096).

2⁶⁶²⁴²⁹ is an apocalyptic number.

It is an amenable number.

662429 is a deficient number, since it is larger than the sum of its proper divisors (9955).

662429 is an equidigital number, since it uses as much as digits as its factorization.

662429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9954.

The product of its digits is 5184, while the sum is 29.

The square root of 662429 is about 813.8974136831. The cubic root of 662429 is about 87.1725557520.

The spelling of 662429 in words is "six hundred sixty-two thousand, four hundred twenty-nine".