5428945 has 8 divisors (see below), whose sum is σ = 6739560. Its totient is φ = 4193280.

The previous prime is 5428921. The next prime is 5428957. The reversal of 5428945 is 5498245.

It can be written as a sum of positive squares in 4 ways, for example, as 641601 + 4787344 = 801^2 + 2188^2 .

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

It is not a de Polignac number, because 5428945 - 2¹⁵ = 5396177 is a prime.

It is a congruent number.

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, 18576 + ... + 18865.

It is an arithmetic number, because the mean of its divisors is an integer number (842445).

Almost surely, 2^5428945 is an apocalyptic number.

It is an amenable number.

5428945 is a deficient number, since it is larger than the sum of its proper divisors (1310615).

5428945 is a wasteful number, since it uses less digits than its factorization.

5428945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37475.

The product of its digits is 57600, while the sum is 37.

The square root of 5428945 is about 2330.0096566323. The cubic root of 5428945 is about 175.7539714081.

The spelling of 5428945 in words is "five million, four hundred twenty-eight thousand, nine hundred forty-five".