690276 has 48 divisors (see below), whose sum is σ = 1749888. Its totient is φ = 211200.

The previous prime is 690271. The next prime is 690281. The reversal of 690276 is 672096.

It is an interprime number because it is at equal distance from previous prime (690271) and next prime (690281).

It is an Ulam number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 690276.

It is not an unprimeable number, because it can be changed into a prime (690271) by changing a digit.

690276 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 15 ways as a sum of consecutive naturals, for example, 11286 + ... + 11346.

It is an arithmetic number, because the mean of its divisors is an integer number (36456).

2⁶⁹⁰²⁷⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874944).

690276 is an abundant number, since it is smaller than the sum of its proper divisors (1059612).

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

690276 is a wasteful number, since it uses less digits than its factorization.

690276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 690276 is about 830.8285021591. The cubic root of 690276 is about 88.3773397280.

The spelling of 690276 in words is "six hundred ninety thousand, two hundred seventy-six".