1906234 has 12 divisors (see below), whose sum is σ = 3143322. Its totient is φ = 866360.

The previous prime is 1906211. The next prime is 1906237. The reversal of 1906234 is 4326091.

It can be written as a sum of positive squares in only one way, i.e., 1830609 + 75625 = 1353^2 + 275^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1906199 and 1906208.

It is not an unprimeable number, because it can be changed into a prime (1906237) 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 5 ways as a sum of consecutive naturals, for example, 3697 + ... + 4180.

2^1906234 is an apocalyptic number.

1906234 is a deficient number, since it is larger than the sum of its proper divisors (1237088).

1906234 is a wasteful number, since it uses less digits than its factorization.

1906234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7901 (or 7890 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1906234 is about 1380.6643328485. The cubic root of 1906234 is about 123.9915446888.

The spelling of 1906234 in words is "one million, nine hundred six thousand, two hundred thirty-four".