1916830 has 16 divisors (see below), whose sum is σ = 3485664. Its totient is φ = 758880.

The previous prime is 1916809. The next prime is 1916833. The reversal of 1916830 is 386191.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100 + ... + 1960.

It is an arithmetic number, because the mean of its divisors is an integer number (217854).

2^1916830 is an apocalyptic number.

1916830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1916830 is a deficient number, since it is larger than the sum of its proper divisors (1568834).

1916830 is a wasteful number, since it uses less digits than its factorization.

1916830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1916830 is about 1384.4962982977. The cubic root of 1916830 is about 124.2208602874.

It can be divided in two parts, 191 and 6830, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 1916830 in words is "one million, nine hundred sixteen thousand, eight hundred thirty".