276620 has 12 divisors (see below), whose sum is σ = 580944. Its totient is φ = 110640.

The previous prime is 276599. The next prime is 276623. The reversal of 276620 is 26672.

It is a happy number.

276620 is nontrivially palindromic in base 15.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (276623) by changing a digit.

276620 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6896 + ... + 6935.

It is an arithmetic number, because the mean of its divisors is an integer number (48412).

2²⁷⁶⁶²⁰ is an apocalyptic number.

276620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276620 is an abundant number, since it is smaller than the sum of its proper divisors (304324).

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

276620 is a wasteful number, since it uses less digits than its factorization.

276620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13840 (or 13838 counting only the distinct ones).

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

The square root of 276620 is about 525.9467653670. The cubic root of 276620 is about 65.1570168475.

The spelling of 276620 in words is "two hundred seventy-six thousand, six hundred twenty".