2100964 has 6 divisors (see below), whose sum is σ = 3676694. Its totient is φ = 1050480.

The previous prime is 2100953. The next prime is 2100983. The reversal of 2100964 is 4690012.

It can be written as a sum of positive squares in only one way, i.e., 1582564 + 518400 = 1258^2 + 720^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262617 + ... + 262624.

2^2100964 is an apocalyptic number.

It is an amenable number.

2100964 is a deficient number, since it is larger than the sum of its proper divisors (1575730).

2100964 is a wasteful number, since it uses less digits than its factorization.

2100964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525245 (or 525243 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2100964 is about 1449.4702480562. The cubic root of 2100964 is about 128.0775083951.

Adding to 2100964 its reverse (4690012), we get a palindrome (6790976).

The spelling of 2100964 in words is "two million, one hundred thousand, nine hundred sixty-four".