2106494 has 8 divisors (see below), whose sum is σ = 3402840. Its totient is φ = 972216.

The previous prime is 2106491. The next prime is 2106523. The reversal of 2106494 is 4946012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 81019 = 2106494 / (2 + 1 + 0 + 6 + 4 + 9 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40484 + ... + 40535.

It is an arithmetic number, because the mean of its divisors is an integer number (425355).

2^2106494 is an apocalyptic number.

2106494 is a deficient number, since it is larger than the sum of its proper divisors (1296346).

2106494 is a wasteful number, since it uses less digits than its factorization.

2106494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81034.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2106494 is about 1451.3765879330. The cubic root of 2106494 is about 128.1897819532.

The spelling of 2106494 in words is "two million, one hundred six thousand, four hundred ninety-four".