4891377 has 4 divisors (see below), whose sum is σ = 6521840. Its totient is φ = 3260916.

The previous prime is 4891361. The next prime is 4891399. The reversal of 4891377 is 7731984.

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 not a de Polignac number, because 4891377 - 2⁴ = 4891361 is a prime.

It is a super-2 number, since 2×4891377² = 47851137912258, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4891307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815227 + ... + 815232.

It is an arithmetic number, because the mean of its divisors is an integer number (1630460).

Almost surely, 2^4891377 is an apocalyptic number.

It is an amenable number.

4891377 is a deficient number, since it is larger than the sum of its proper divisors (1630463).

4891377 is a wasteful number, since it uses less digits than its factorization.

4891377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630462.

The product of its digits is 42336, while the sum is 39.

The square root of 4891377 is about 2211.6457672964. The cubic root of 4891377 is about 169.7502329869.

The spelling of 4891377 in words is "four million, eight hundred ninety-one thousand, three hundred seventy-seven".