1906544 has 10 divisors (see below), whose sum is σ = 3693960. Its totient is φ = 953264.

The previous prime is 1906543. The next prime is 1906559. The reversal of 1906544 is 4456091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906543) 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, 59564 + ... + 59595.

It is an arithmetic number, because the mean of its divisors is an integer number (369396).

2^1906544 is an apocalyptic number.

It is an amenable number.

1906544 is a deficient number, since it is larger than the sum of its proper divisors (1787416).

1906544 is a wasteful number, since it uses less digits than its factorization.

1906544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119167 (or 119161 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1906544 is about 1380.7765930809. The cubic root of 1906544 is about 123.9982656712.

The spelling of 1906544 in words is "one million, nine hundred six thousand, five hundred forty-four".