276422146 has 128 divisors (see below), whose sum is σ = 603187200. Its totient is φ = 91990080.

The previous prime is 276422143. The next prime is 276422173. The reversal of 276422146 is 641224672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276422143) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 6428401 + ... + 6428443.

It is an arithmetic number, because the mean of its divisors is an integer number (4712400).

Almost surely, 2^276422146 is an apocalyptic number.

276422146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

276422146 is an abundant number, since it is smaller than the sum of its proper divisors (326765054).

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

276422146 is a wasteful number, since it uses less digits than its factorization.

276422146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 95 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 276422146 is about 16625.9479729728. The cubic root of 276422146 is about 651.4147850222.

The spelling of 276422146 in words is "two hundred seventy-six million, four hundred twenty-two thousand, one hundred forty-six".