1906488 has 24 divisors (see below), whose sum is σ = 5163600. Its totient is φ = 635472.

The previous prime is 1906481. The next prime is 1906511. The reversal of 1906488 is 8846091.

It is a happy number.

1906488 is a `hidden beast` number, since 1 + 9 + 0 + 648 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906481) 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, 13168 + ... + 13311.

It is an arithmetic number, because the mean of its divisors is an integer number (215150).

2^1906488 is an apocalyptic number.

1906488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1906488 is an abundant number, since it is smaller than the sum of its proper divisors (3257112).

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

1906488 is a wasteful number, since it uses less digits than its factorization.

1906488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26491 (or 26484 counting only the distinct ones).

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

The square root of 1906488 is about 1380.7563144885. The cubic root of 1906488 is about 123.9970516122.

The spelling of 1906488 in words is "one million, nine hundred six thousand, four hundred eighty-eight".