620146 has 8 divisors (see below), whose sum is σ = 951984. Its totient is φ = 302820.

The previous prime is 620117. The next prime is 620159. The reversal of 620146 is 641026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×620146² = 769162122632, which contains 22 as substring.

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, 3520 + ... + 3691.

It is an arithmetic number, because the mean of its divisors is an integer number (118998).

2⁶²⁰¹⁴⁶ is an apocalyptic number.

620146 is a deficient number, since it is larger than the sum of its proper divisors (331838).

620146 is a wasteful number, since it uses less digits than its factorization.

620146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7256.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 620146 is about 787.4934920366. The cubic root of 620146 is about 85.2768825590.

The spelling of 620146 in words is "six hundred twenty thousand, one hundred forty-six".