1906874 has 4 divisors (see below), whose sum is σ = 2860314. Its totient is φ = 953436.

The previous prime is 1906871. The next prime is 1906889. The reversal of 1906874 is 4786091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1087849 + 819025 = 1043^2 + 905^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1906871) 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 as a sum of consecutive naturals, namely, 476717 + ... + 476720.

2^1906874 is an apocalyptic number.

1906874 is a deficient number, since it is larger than the sum of its proper divisors (953440).

1906874 is an equidigital number, since it uses as much as digits as its factorization.

1906874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953439.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1906874 is about 1380.8960858805. The cubic root of 1906874 is about 124.0054194648.

The spelling of 1906874 in words is "one million, nine hundred six thousand, eight hundred seventy-four".