1906838 has 8 divisors (see below), whose sum is σ = 2984688. Its totient is φ = 911944.

The previous prime is 1906831. The next prime is 1906843. The reversal of 1906838 is 8386091.

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

It is a junction number, because it is equal to n+sod(n) for n = 1906798 and 1906807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906831) 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, 20681 + ... + 20772.

It is an arithmetic number, because the mean of its divisors is an integer number (373086).

2^1906838 is an apocalyptic number.

1906838 is a deficient number, since it is larger than the sum of its proper divisors (1077850).

1906838 is a wasteful number, since it uses less digits than its factorization.

1906838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41478.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1906838 is about 1380.8830508048. The cubic root of 1906838 is about 124.0046390911.

It can be divided in two parts, 1906 and 838, that added together give a cube (2744 = 14³).

The spelling of 1906838 in words is "one million, nine hundred six thousand, eight hundred thirty-eight".