620276 has 6 divisors (see below), whose sum is σ = 1085490. Its totient is φ = 310136.

The previous prime is 620261. The next prime is 620297. The reversal of 620276 is 672026.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 524176 + 96100 = 724^2 + 310^2 .

It is a congruent number.

It is an unprimeable number.

620276 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, 77531 + ... + 77538.

It is an arithmetic number, because the mean of its divisors is an integer number (180915).

2⁶²⁰²⁷⁶ is an apocalyptic number.

It is an amenable number.

620276 is a deficient number, since it is larger than the sum of its proper divisors (465214).

620276 is a wasteful number, since it uses less digits than its factorization.

620276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155073 (or 155071 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 620276 is about 787.5760280760. The cubic root of 620276 is about 85.2828409516.

The spelling of 620276 in words is "six hundred twenty thousand, two hundred seventy-six".