1906238 has 8 divisors (see below), whose sum is σ = 2868600. Its totient is φ = 950040.

The previous prime is 1906237. The next prime is 1906241. The reversal of 1906238 is 8326091.

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

It is a Curzon number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 1906238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906237) 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, 668 + ... + 2063.

It is an arithmetic number, because the mean of its divisors is an integer number (358575).

2^1906238 is an apocalyptic number.

1906238 is a deficient number, since it is larger than the sum of its proper divisors (962362).

1906238 is a wasteful number, since it uses less digits than its factorization.

1906238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1906238 is about 1380.6657814258. The cubic root of 1906238 is about 123.9916314158.

It can be divided in two parts, 1906 and 238, that multiplied together give a triangular number (453628 = T₉₅₂).

The spelling of 1906238 in words is "one million, nine hundred six thousand, two hundred thirty-eight".