5919945 has 16 divisors (see below), whose sum is σ = 9502272. Its totient is φ = 3147200.

The previous prime is 5919937. The next prime is 5919959. The reversal of 5919945 is 5499195.

It is a happy number.

It is not a de Polignac number, because 5919945 - 2³ = 5919937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5919897 and 5919906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8095 + ... + 8795.

It is an arithmetic number, because the mean of its divisors is an integer number (593892).

Almost surely, 2^5919945 is an apocalyptic number.

It is an amenable number.

5919945 is a deficient number, since it is larger than the sum of its proper divisors (3582327).

5919945 is a wasteful number, since it uses less digits than its factorization.

5919945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272.

The product of its digits is 72900, while the sum is 42.

The square root of 5919945 is about 2433.0937096627. The cubic root of 5919945 is about 180.9002737063.

The spelling of 5919945 in words is "five million, nine hundred nineteen thousand, nine hundred forty-five".