43928604 has 18 divisors (see below), whose sum is σ = 111041840. Its totient is φ = 14642856.

The previous prime is 43928557. The next prime is 43928609. The reversal of 43928604 is 40682934.

It is a happy number.

43928604 is a `hidden beast` number, since 43 + 9 + 2 + 8 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1220239 = 43928604 / (4 + 3 + 9 + 2 + 8 + 6 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43928609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610084 + ... + 610155.

Almost surely, 2^43928604 is an apocalyptic number.

It is an amenable number.

43928604 is an abundant number, since it is smaller than the sum of its proper divisors (67113236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43928604 is a wasteful number, since it uses less digits than its factorization.

43928604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220249 (or 1220244 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 43928604 is about 6627.8657198226. The cubic root of 43928604 is about 352.8437811063.

It can be divided in two parts, 4392 and 8604, that added together give a square (12996 = 114²).

The spelling of 43928604 in words is "forty-three million, nine hundred twenty-eight thousand, six hundred four".