1909054 has 8 divisors (see below), whose sum is σ = 3272688. Its totient is φ = 818160.

The previous prime is 1909051. The next prime is 1909079. The reversal of 1909054 is 4509091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1909051) 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 3 ways as a sum of consecutive naturals, for example, 68167 + ... + 68194.

It is an arithmetic number, because the mean of its divisors is an integer number (409086).

2^1909054 is an apocalyptic number.

1909054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1909054 is a deficient number, since it is larger than the sum of its proper divisors (1363634).

1909054 is a wasteful number, since it uses less digits than its factorization.

1909054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136370.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1909054 is about 1381.6852029316. The cubic root of 1909054 is about 124.0526571363.

The spelling of 1909054 in words is "one million, nine hundred nine thousand, fifty-four".