5918945 has 16 divisors (see below), whose sum is σ = 7361280. Its totient is φ = 4566144.

The previous prime is 5918933. The next prime is 5918947. The reversal of 5918945 is 5498195.

5918945 = T₄₆ + T₄₇ + ... + T₃₂₈.

It is a happy number.

It is not a de Polignac number, because 5918945 - 2²² = 1724641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5918947) 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, 20774 + ... + 21056.

It is an arithmetic number, because the mean of its divisors is an integer number (460080).

Almost surely, 2^5918945 is an apocalyptic number.

It is an amenable number.

5918945 is a deficient number, since it is larger than the sum of its proper divisors (1442335).

5918945 is a wasteful number, since it uses less digits than its factorization.

5918945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424.

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

The square root of 5918945 is about 2432.8882012949. Note that the first 3 decimals coincide. The cubic root of 5918945 is about 180.8900872118.

The spelling of 5918945 in words is "five million, nine hundred eighteen thousand, nine hundred forty-five".