2106355 has 16 divisors (see below), whose sum is σ = 2638944. Its totient is φ = 1612800.

The previous prime is 2106353. The next prime is 2106361. The reversal of 2106355 is 5536012.

2106355 = 590² + 591² + ... + 595².

It is a happy number.

It is not a de Polignac number, because 2106355 - 2¹ = 2106353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106353) 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, 20805 + ... + 20905.

It is an arithmetic number, because the mean of its divisors is an integer number (164934).

2^2106355 is an apocalyptic number.

2106355 is a deficient number, since it is larger than the sum of its proper divisors (532589).

2106355 is a wasteful number, since it uses less digits than its factorization.

2106355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2106355 is about 1451.3287015697. The cubic root of 2106355 is about 128.1869622962.

The spelling of 2106355 in words is "two million, one hundred six thousand, three hundred fifty-five".