4391477 has 4 divisors (see below), whose sum is σ = 4421100. Its totient is φ = 4361856.

The previous prime is 4391449. The next prime is 4391483. The reversal of 4391477 is 7741934.

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

It can be written as a sum of positive squares in 2 ways, for example, as 758641 + 3632836 = 871^2 + 1906^2 .

It is a cyclic number.

It is not a de Polignac number, because 4391477 - 2⁸ = 4391221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4391417) 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, 14588 + ... + 14885.

It is an arithmetic number, because the mean of its divisors is an integer number (1105275).

Almost surely, 2^4391477 is an apocalyptic number.

It is an amenable number.

4391477 is a deficient number, since it is larger than the sum of its proper divisors (29623).

4391477 is a wasteful number, since it uses less digits than its factorization.

4391477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29622.

The product of its digits is 21168, while the sum is 35.

The square root of 4391477 is about 2095.5851211535. The cubic root of 4391477 is about 163.7583815612.

The spelling of 4391477 in words is "four million, three hundred ninety-one thousand, four hundred seventy-seven".