2176949 has 2 divisors, whose sum is σ = 2176950. Its totient is φ = 2176948.

The previous prime is 2176939. The next prime is 2176957. The reversal of 2176949 is 9496712.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2002225 + 174724 = 1415^2 + 418^2 .

It is a cyclic number.

It is not a de Polignac number, because 2176949 - 2⁸ = 2176693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2176939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1088474 + 1088475.

It is an arithmetic number, because the mean of its divisors is an integer number (1088475).

2^2176949 is an apocalyptic number.

It is an amenable number.

2176949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2176949 is an equidigital number, since it uses as much as digits as its factorization.

2176949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 2176949 is about 1475.4487452975. The cubic root of 2176949 is about 129.6033074970.

It can be divided in two parts, 2176 and 949, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2176949 in words is "two million, one hundred seventy-six thousand, nine hundred forty-nine".