1906535 has 8 divisors (see below), whose sum is σ = 2312016. Its totient is φ = 1509120.

The previous prime is 1906523. The next prime is 1906537. The reversal of 1906535 is 5356091.

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

It is not a de Polignac number, because 1906535 - 2²⁰ = 857959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1906498 and 1906507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1481 + ... + 2450.

It is an arithmetic number, because the mean of its divisors is an integer number (289002).

2^1906535 is an apocalyptic number.

1906535 is a deficient number, since it is larger than the sum of its proper divisors (405481).

1906535 is an equidigital number, since it uses as much as digits as its factorization.

1906535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 1906535 is about 1380.7733340415. The cubic root of 1906535 is about 123.9980705562.

The spelling of 1906535 in words is "one million, nine hundred six thousand, five hundred thirty-five".