2106454 has 16 divisors (see below), whose sum is σ = 3801600. Its totient is φ = 855144.

The previous prime is 2106451. The next prime is 2106463. The reversal of 2106454 is 4546012.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3694 + ... + 4225.

It is an arithmetic number, because the mean of its divisors is an integer number (237600).

2^2106454 is an apocalyptic number.

2106454 is a deficient number, since it is larger than the sum of its proper divisors (1695146).

2106454 is a wasteful number, since it uses less digits than its factorization.

2106454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2106454 is about 1451.3628078465. The cubic root of 2106454 is about 128.1889705538.

The spelling of 2106454 in words is "two million, one hundred six thousand, four hundred fifty-four".