2100738 has 16 divisors (see below), whose sum is σ = 4217760. Its totient is φ = 697536.

The previous prime is 2100737. The next prime is 2100743. The reversal of 2100738 is 8370012.

It is not an unprimeable number, because it can be changed into a prime (2100733) 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, 1578 + ... + 2586.

It is an arithmetic number, because the mean of its divisors is an integer number (263610).

2^2100738 is an apocalyptic number.

2100738 is an abundant number, since it is smaller than the sum of its proper divisors (2117022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100738 is a wasteful number, since it uses less digits than its factorization.

2100738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 2100738 is about 1449.3922864428. The cubic root of 2100738 is about 128.0729158120.

The spelling of 2100738 in words is "two million, one hundred thousand, seven hundred thirty-eight".