620452 has 12 divisors (see below), whose sum is σ = 1240960. Its totient is φ = 265896.

The previous prime is 620441. The next prime is 620461. The reversal of 620452 is 254026.

620452 is an admirable number.

It is an unprimeable number.

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, 11052 + ... + 11107.

2⁶²⁰⁴⁵² is an apocalyptic number.

It is an amenable number.

620452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620452 is a wasteful number, since it uses less digits than its factorization.

620452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22170 (or 22168 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 620452 is about 787.6877553955. The cubic root of 620452 is about 85.2909063723.

Adding to 620452 its reverse (254026), we get a palindrome (874478).

The spelling of 620452 in words is "six hundred twenty thousand, four hundred fifty-two".