276189894 has 12 divisors (see below), whose sum is σ = 598411476. Its totient is φ = 92063292.

The previous prime is 276189889. The next prime is 276189913. The reversal of 276189894 is 498981672.

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

It is a self number, because there is not a number n which added to its sum of digits gives 276189894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7671924 + ... + 7671959.

It is an arithmetic number, because the mean of its divisors is an integer number (49867623).

Almost surely, 2^276189894 is an apocalyptic number.

276189894 is an abundant number, since it is smaller than the sum of its proper divisors (322221582).

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

276189894 is a wasteful number, since it uses less digits than its factorization.

276189894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15343891 (or 15343888 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 276189894 is about 16618.9618809359. The cubic root of 276189894 is about 651.2322926749.

It can be divided in two parts, 27 and 6189894, that added together give a triangular number (6189921 = T₃₅₁₈).

The spelling of 276189894 in words is "two hundred seventy-six million, one hundred eighty-nine thousand, eight hundred ninety-four".