1914219 has 16 divisors (see below), whose sum is σ = 2928640. Its totient is φ = 1234440.

The previous prime is 1914197. The next prime is 1914239. The reversal of 1914219 is 9124191.

It is not a de Polignac number, because 1914219 - 2⁸ = 1913963 is a prime.

It is a super-2 number, since 2×1914219² = 7328468759922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1914192 and 1914201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914239) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 307 + ... + 1980.

It is an arithmetic number, because the mean of its divisors is an integer number (183040).

2^1914219 is an apocalyptic number.

1914219 is a deficient number, since it is larger than the sum of its proper divisors (1014421).

1914219 is a wasteful number, since it uses less digits than its factorization.

1914219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327 (or 2321 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 1914219 is about 1383.5530347623. The cubic root of 1914219 is about 124.1644323928.

The spelling of 1914219 in words is "one million, nine hundred fourteen thousand, two hundred nineteen".