4045479 has 4 divisors (see below), whose sum is σ = 5393976. Its totient is φ = 2696984.

The previous prime is 4045421. The next prime is 4045501. The reversal of 4045479 is 9745404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4045479 - 2¹² = 4041383 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674244 + ... + 674249.

It is an arithmetic number, because the mean of its divisors is an integer number (1348494).

Almost surely, 2^4045479 is an apocalyptic number.

4045479 is a deficient number, since it is larger than the sum of its proper divisors (1348497).

4045479 is a wasteful number, since it uses less digits than its factorization.

4045479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348496.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 4045479 is about 2011.3376146237. The cubic root of 4045479 is about 159.3394512025.

The spelling of 4045479 in words is "four million, forty-five thousand, four hundred seventy-nine".