1906884 has 108 divisors (see below), whose sum is σ = 5975424. Its totient is φ = 510048.

The previous prime is 1906871. The next prime is 1906889. The reversal of 1906884 is 4886091.

It is a happy number.

1906884 is a nontrivial binomial coefficient, being equal to C(49, 5).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906889) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40549 + ... + 40595.

It is an arithmetic number, because the mean of its divisors is an integer number (55328).

2^1906884 is an apocalyptic number.

1906884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1906884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2987712).

1906884 is an abundant number, since it is smaller than the sum of its proper divisors (4068540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1906884 is a wasteful number, since it uses less digits than its factorization.

1906884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1906884 is about 1380.8997067130. The cubic root of 1906884 is about 124.0056362336.

The spelling of 1906884 in words is "one million, nine hundred six thousand, eight hundred eighty-four".