1914890 has 16 divisors (see below), whose sum is σ = 3512808. Its totient is φ = 751296.

The previous prime is 1914889. The next prime is 1914923. The reversal of 1914890 is 984191.

It can be written as a sum of positive squares in 4 ways, for example, as 1062961 + 851929 = 1031^2 + 923^2 .

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277 + ... + 2336.

2^1914890 is an apocalyptic number.

1914890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1914890 is a deficient number, since it is larger than the sum of its proper divisors (1597918).

1914890 is a wasteful number, since it uses less digits than its factorization.

1914890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1914890 is about 1383.7955051235. The cubic root of 1914890 is about 124.1789386746.

The spelling of 1914890 in words is "one million, nine hundred fourteen thousand, eight hundred ninety".