4276491 has 4 divisors (see below), whose sum is σ = 5701992. Its totient is φ = 2850992.

The previous prime is 4276451. The next prime is 4276499. The reversal of 4276491 is 1946724.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4276491 - 2¹¹ = 4274443 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4276499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712746 + ... + 712751.

It is an arithmetic number, because the mean of its divisors is an integer number (1425498).

Almost surely, 2^4276491 is an apocalyptic number.

4276491 is a deficient number, since it is larger than the sum of its proper divisors (1425501).

4276491 is a wasteful number, since it uses less digits than its factorization.

4276491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425500.

The product of its digits is 12096, while the sum is 33.

The square root of 4276491 is about 2067.9678430769. The cubic root of 4276491 is about 162.3164444152.

The spelling of 4276491 in words is "four million, two hundred seventy-six thousand, four hundred ninety-one".