106491373 has 4 divisors (see below), whose sum is σ = 107169820. Its totient is φ = 105812928.

The previous prime is 106491367. The next prime is 106491377. The reversal of 106491373 is 373194601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 373194601 = 13 ⋅28707277.

It can be written as a sum of positive squares in 2 ways, for example, as 44049769 + 62441604 = 6637^2 + 7902^2 .

It is a cyclic number.

It is not a de Polignac number, because 106491373 - 2¹⁷ = 106360301 is a prime.

It is a super-2 number, since 2×106491373² = 22680825046850258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106491377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338988 + ... + 339301.

It is an arithmetic number, because the mean of its divisors is an integer number (26792455).

Almost surely, 2^106491373 is an apocalyptic number.

It is an amenable number.

106491373 is a deficient number, since it is larger than the sum of its proper divisors (678447).

106491373 is an equidigital number, since it uses as much as digits as its factorization.

106491373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678446.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 106491373 is about 10319.4657322945. The cubic root of 106491373 is about 473.9925061276.

The spelling of 106491373 in words is "one hundred six million, four hundred ninety-one thousand, three hundred seventy-three".