1906373 has 8 divisors (see below), whose sum is σ = 2254080. Its totient is φ = 1577520.

The previous prime is 1906361. The next prime is 1906379. The reversal of 1906373 is 3736091.

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

It is not a de Polignac number, because 1906373 - 2⁸ = 1906117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4493 + ... + 4898.

It is an arithmetic number, because the mean of its divisors is an integer number (281760).

2^1906373 is an apocalyptic number.

It is an amenable number.

1906373 is a deficient number, since it is larger than the sum of its proper divisors (347707).

1906373 is an equidigital number, since it uses as much as digits as its factorization.

1906373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9427.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 1906373 is about 1380.7146700169. The cubic root of 1906373 is about 123.9945583807.

The spelling of 1906373 in words is "one million, nine hundred six thousand, three hundred seventy-three".