1914319 has 16 divisors (see below), whose sum is σ = 2293920. Its totient is φ = 1576960.

The previous prime is 1914259. The next prime is 1914323. The reversal of 1914319 is 9134191.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1914319 is a prime.

It is a super-2 number, since 2×1914319² = 7329234467522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

1914319 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5247 + ... + 5599.

It is an arithmetic number, because the mean of its divisors is an integer number (143370).

2^1914319 is an apocalyptic number.

1914319 is a deficient number, since it is larger than the sum of its proper divisors (379601).

1914319 is a wasteful number, since it uses less digits than its factorization.

1914319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410.

The product of its digits is 972, while the sum is 28.

The square root of 1914319 is about 1383.5891731291. The cubic root of 1914319 is about 124.1665944977.

The spelling of 1914319 in words is "one million, nine hundred fourteen thousand, three hundred nineteen".