4028977 has 4 divisors (see below), whose sum is σ = 4158976. Its totient is φ = 3898980.

The previous prime is 4028963. The next prime is 4028987. The reversal of 4028977 is 7798204.

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 4028977 - 2¹⁹ = 3504689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4028917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64953 + ... + 65014.

It is an arithmetic number, because the mean of its divisors is an integer number (1039744).

Almost surely, 2^4028977 is an apocalyptic number.

It is an amenable number.

4028977 is a deficient number, since it is larger than the sum of its proper divisors (129999).

4028977 is a wasteful number, since it uses less digits than its factorization.

4028977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129998.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 4028977 is about 2007.2311775179. The cubic root of 4028977 is about 159.1225009568.

It can be divided in two parts, 4028 and 977, that added together give a palindrome (5005).

The spelling of 4028977 in words is "four million, twenty-eight thousand, nine hundred seventy-seven".