2176990 has 16 divisors (see below), whose sum is σ = 3937248. Its totient is φ = 866656.

The previous prime is 2176957. The next prime is 2176997. The reversal of 2176990 is 996712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2176997) 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 7 ways as a sum of consecutive naturals, for example, 2559 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (246078).

2^2176990 is an apocalyptic number.

2176990 is a deficient number, since it is larger than the sum of its proper divisors (1760258).

2176990 is a wasteful number, since it uses less digits than its factorization.

2176990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 2176990 is about 1475.4626393101. The cubic root of 2176990 is about 129.6041211284.

It can be divided in two parts, 21769 and 90, that multiplied together give a triangular number (1959210 = T₁₉₇₉).

The spelling of 2176990 in words is "two million, one hundred seventy-six thousand, nine hundred ninety".