4155977 has 4 divisors (see below), whose sum is σ = 4749696. Its totient is φ = 3562260.

The previous prime is 4155929. The next prime is 4155989. The reversal of 4155977 is 7795514.

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 4155977 - 2⁶ = 4155913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4155977.

It is not an unprimeable number, because it can be changed into a prime (4155917) 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, 296849 + ... + 296862.

It is an arithmetic number, because the mean of its divisors is an integer number (1187424).

Almost surely, 2^4155977 is an apocalyptic number.

It is an amenable number.

4155977 is a deficient number, since it is larger than the sum of its proper divisors (593719).

4155977 is an equidigital number, since it uses as much as digits as its factorization.

4155977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593718.

The product of its digits is 44100, while the sum is 38.

The square root of 4155977 is about 2038.6213478721. The cubic root of 4155977 is about 160.7771694565. Note that the first 3 decimals are identical.

The spelling of 4155977 in words is "four million, one hundred fifty-five thousand, nine hundred seventy-seven".