276432492 has 96 divisors (see below), whose sum is σ = 774144000. Its totient is φ = 75062592.

The previous prime is 276432491. The next prime is 276432503. The reversal of 276432492 is 294234672.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 276432492.

It is not an unprimeable number, because it can be changed into a prime (276432491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 384109 + ... + 384827.

It is an arithmetic number, because the mean of its divisors is an integer number (8064000).

Almost surely, 2^276432492 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 276432492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387072000).

276432492 is an abundant number, since it is smaller than the sum of its proper divisors (497711508).

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

276432492 is a wasteful number, since it uses less digits than its factorization.

276432492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955 (or 953 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 276432492 is about 16626.2591102148. The cubic root of 276432492 is about 651.4229120282.

It can be divided in two parts, 27643 and 2492, that added together give a triangular number (30135 = T₂₄₅).

The spelling of 276432492 in words is "two hundred seventy-six million, four hundred thirty-two thousand, four hundred ninety-two".