276374238 has 64 divisors (see below), whose sum is σ = 669831168. Its totient is φ = 74338560.

The previous prime is 276374227. The next prime is 276374239. The reversal of 276374238 is 832473672.

It is a super-3 number, since 3×276374238³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 276374238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276374239) 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, 45306 + ... + 51042.

It is an arithmetic number, because the mean of its divisors is an integer number (10466112).

Almost surely, 2^276374238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276374238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334915584).

276374238 is an abundant number, since it is smaller than the sum of its proper divisors (393456930).

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

276374238 is a wasteful number, since it uses less digits than its factorization.

276374238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817.

The product of its digits is 338688, while the sum is 42.

The square root of 276374238 is about 16624.5071505895. The cubic root of 276374238 is about 651.3771496119.

The spelling of 276374238 in words is "two hundred seventy-six million, three hundred seventy-four thousand, two hundred thirty-eight".