2100693 has 16 divisors (see below), whose sum is σ = 3225600. Its totient is φ = 1191216.

The previous prime is 2100691. The next prime is 2100713. The reversal of 2100693 is 3960012.

It is not a de Polignac number, because 2100693 - 2¹ = 2100691 is a prime.

It is a super-2 number, since 2×2100693² = 8825822160498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

2100693 is a modest number, since divided by 693 gives 210 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3208 + ... + 3806.

It is an arithmetic number, because the mean of its divisors is an integer number (201600).

2^2100693 is an apocalyptic number.

It is an amenable number.

2100693 is a deficient number, since it is larger than the sum of its proper divisors (1124907).

2100693 is a wasteful number, since it uses less digits than its factorization.

2100693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2100693 is about 1449.3767626121. The cubic root of 2100693 is about 128.0720013203.

The spelling of 2100693 in words is "two million, one hundred thousand, six hundred ninety-three".