2101396 has 24 divisors (see below), whose sum is σ = 4050144. Its totient is φ = 946080.

The previous prime is 2101391. The next prime is 2101423. The reversal of 2101396 is 6931012.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7026 + ... + 7318.

It is an arithmetic number, because the mean of its divisors is an integer number (168756).

2^2101396 is an apocalyptic number.

It is an amenable number.

2101396 is a deficient number, since it is larger than the sum of its proper divisors (1948748).

2101396 is a wasteful number, since it uses less digits than its factorization.

2101396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2101396 is about 1449.6192603577. The cubic root of 2101396 is about 128.0862862215.

The spelling of 2101396 in words is "two million, one hundred one thousand, three hundred ninety-six".