5189945 has 8 divisors (see below), whose sum is σ = 6555840. Its totient is φ = 3933360.

The previous prime is 5189939. The next prime is 5189957. The reversal of 5189945 is 5499815.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5189945 - 2⁴ = 5189929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27221 + ... + 27410.

It is an arithmetic number, because the mean of its divisors is an integer number (819480).

Almost surely, 2^5189945 is an apocalyptic number.

It is an amenable number.

5189945 is a deficient number, since it is larger than the sum of its proper divisors (1365895).

5189945 is a wasteful number, since it uses less digits than its factorization.

5189945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54655.

The product of its digits is 64800, while the sum is 41.

The square root of 5189945 is about 2278.1450787867. The cubic root of 5189945 is about 173.1360819104.

The spelling of 5189945 in words is "five million, one hundred eighty-nine thousand, nine hundred forty-five".