1916522 has 4 divisors (see below), whose sum is σ = 2874786. Its totient is φ = 958260.

The previous prime is 1916471. The next prime is 1916531. The reversal of 1916522 is 2256191.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1819801 + 96721 = 1349^2 + 311^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1916491 and 1916500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479129 + ... + 479132.

2^1916522 is an apocalyptic number.

1916522 is a deficient number, since it is larger than the sum of its proper divisors (958264).

1916522 is an equidigital number, since it uses as much as digits as its factorization.

1916522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958263.

The product of its digits is 1080, while the sum is 26.

The square root of 1916522 is about 1384.3850620402. The cubic root of 1916522 is about 124.2142065807.

The spelling of 1916522 in words is "one million, nine hundred sixteen thousand, five hundred twenty-two".