2100968 has 8 divisors (see below), whose sum is σ = 3939330. Its totient is φ = 1050480.

The previous prime is 2100953. The next prime is 2100983. The reversal of 2100968 is 8690012.

It is an interprime number because it is at equal distance from previous prime (2100953) and next prime (2100983).

It can be written as a sum of positive squares in only one way, i.e., 2067844 + 33124 = 1438^2 + 182^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131303 + ... + 131318.

2^2100968 is an apocalyptic number.

It is an amenable number.

2100968 is a deficient number, since it is larger than the sum of its proper divisors (1838362).

2100968 is a wasteful number, since it uses less digits than its factorization.

2100968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262627 (or 262623 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2100968 is about 1449.4716278700. The cubic root of 2100968 is about 128.0775896768.

The spelling of 2100968 in words is "two million, one hundred thousand, nine hundred sixty-eight".