1999914 has 32 divisors (see below), whose sum is σ = 4841856. Its totient is φ = 537600.

The previous prime is 1999891. The next prime is 1999957. The reversal of 1999914 is 4199991.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687 + ... + 2114.

It is an arithmetic number, because the mean of its divisors is an integer number (151308).

2^1999914 is an apocalyptic number.

1999914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1999914 is an abundant number, since it is smaller than the sum of its proper divisors (2841942).

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

1999914 is a wasteful number, since it uses less digits than its factorization.

1999914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830.

The product of its digits is 26244, while the sum is 42.

The square root of 1999914 is about 1414.1831564546. The cubic root of 1999914 is about 125.9902990768.

The spelling of 1999914 in words is "one million, nine hundred ninety-nine thousand, nine hundred fourteen".