1395219 has 24 divisors (see below), whose sum is σ = 2229760. Its totient is φ = 760032.

The previous prime is 1395209. The next prime is 1395223. The reversal of 1395219 is 9125931.

It is not a de Polignac number, because 1395219 - 2⁵ = 1395187 is a prime.

It is a super-2 number, since 2×1395219² = 3893272115922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

1395219 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17622 + ... + 17700.

2^1395219 is an apocalyptic number.

1395219 is a deficient number, since it is larger than the sum of its proper divisors (834541).

1395219 is an equidigital number, since it uses as much as digits as its factorization.

1395219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 118 counting only the distinct ones).

The product of its digits is 2430, while the sum is 30.

The square root of 1395219 is about 1181.1938875561. The cubic root of 1395219 is about 111.7414048812.

The spelling of 1395219 in words is "one million, three hundred ninety-five thousand, two hundred nineteen".