4493977 has 4 divisors (see below), whose sum is σ = 4638976. Its totient is φ = 4348980.

The previous prime is 4493939. The next prime is 4494019. The reversal of 4493977 is 7793944.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4493977 - 2⁷ = 4493849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4493777) 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, 72453 + ... + 72514.

It is an arithmetic number, because the mean of its divisors is an integer number (1159744).

Almost surely, 2^4493977 is an apocalyptic number.

It is an amenable number.

4493977 is a deficient number, since it is larger than the sum of its proper divisors (144999).

4493977 is a wasteful number, since it uses less digits than its factorization.

4493977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144998.

The product of its digits is 190512, while the sum is 43.

The square root of 4493977 is about 2119.9002335016. The cubic root of 4493977 is about 165.0226721218.

The spelling of 4493977 in words is "four million, four hundred ninety-three thousand, nine hundred seventy-seven".