620486 has 4 divisors (see below), whose sum is σ = 930732. Its totient is φ = 310242.

The previous prime is 620467. The next prime is 620491. The reversal of 620486 is 684026.

620486 is nontrivially palindromic in base 5.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

620486 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155120 + ... + 155123.

It is an arithmetic number, because the mean of its divisors is an integer number (232683).

2⁶²⁰⁴⁸⁶ is an apocalyptic number.

620486 is a deficient number, since it is larger than the sum of its proper divisors (310246).

620486 is a wasteful number, since it uses less digits than its factorization.

620486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310245.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 620486 is about 787.7093372558. The cubic root of 620486 is about 85.2924642891.

The spelling of 620486 in words is "six hundred twenty thousand, four hundred eighty-six".