1906148 has 12 divisors (see below), whose sum is σ = 3480960. Its totient is φ = 911592.

The previous prime is 1906139. The next prime is 1906153. The reversal of 1906148 is 8416091.

It is a self number, because there is not a number n which added to its sum of digits gives 1906148.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10268 + ... + 10451.

It is an arithmetic number, because the mean of its divisors is an integer number (290080).

2^1906148 is an apocalyptic number.

It is an amenable number.

1906148 is a deficient number, since it is larger than the sum of its proper divisors (1574812).

1906148 is a wasteful number, since it uses less digits than its factorization.

1906148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20746 (or 20744 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1906148 is about 1380.6331880699. The cubic root of 1906148 is about 123.9896800291.

The spelling of 1906148 in words is "one million, nine hundred six thousand, one hundred forty-eight".