2197672 has 8 divisors (see below), whose sum is σ = 4120650. Its totient is φ = 1098832.

The previous prime is 2197651. The next prime is 2197681. The reversal of 2197672 is 2767912.

It can be written as a sum of positive squares in only one way, i.e., 1920996 + 276676 = 1386^2 + 526^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137347 + ... + 137362.

2^2197672 is an apocalyptic number.

It is an amenable number.

2197672 is a deficient number, since it is larger than the sum of its proper divisors (1922978).

2197672 is a wasteful number, since it uses less digits than its factorization.

2197672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274715 (or 274711 counting only the distinct ones).

The product of its digits is 10584, while the sum is 34.

The square root of 2197672 is about 1482.4547210623. The cubic root of 2197672 is about 130.0132530867.

The spelling of 2197672 in words is "two million, one hundred ninety-seven thousand, six hundred seventy-two".