276416 has 28 divisors (see below), whose sum is σ = 627888. Its totient is φ = 118272.

The previous prime is 276401. The next prime is 276439. The reversal of 276416 is 614672.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140 + ... + 756.

2²⁷⁶⁴¹⁶ 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 276416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313944).

276416 is an abundant number, since it is smaller than the sum of its proper divisors (351472).

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

276416 is an equidigital number, since it uses as much as digits as its factorization.

276416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 626 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 276416 is about 525.7527936207. The cubic root of 276416 is about 65.1409957111.

The spelling of 276416 in words is "two hundred seventy-six thousand, four hundred sixteen".