276945852 has 48 divisors (see below), whose sum is σ = 679698432. Its totient is φ = 87595200.

The previous prime is 276945841. The next prime is 276945859. The reversal of 276945852 is 258549672.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276945859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31102 + ... + 39002.

It is an arithmetic number, because the mean of its divisors is an integer number (14160384).

Almost surely, 2^276945852 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 276945852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339849216).

276945852 is an abundant number, since it is smaller than the sum of its proper divisors (402752580).

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

276945852 is a wasteful number, since it uses less digits than its factorization.

276945852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8058 (or 8056 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 276945852 is about 16641.6901785846. The cubic root of 276945852 is about 651.8259129736.

The spelling of 276945852 in words is "two hundred seventy-six million, nine hundred forty-five thousand, eight hundred fifty-two".