4953991 has 8 divisors (see below), whose sum is σ = 5717504. Its totient is φ = 4204440.

The previous prime is 4953979. The next prime is 4953997. The reversal of 4953991 is 1993594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4953991 - 2⁹ = 4953479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4953997) 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 7 ways as a sum of consecutive naturals, for example, 2715 + ... + 4156.

It is an arithmetic number, because the mean of its divisors is an integer number (714688).

Almost surely, 2^4953991 is an apocalyptic number.

4953991 is a deficient number, since it is larger than the sum of its proper divisors (763513).

4953991 is a wasteful number, since it uses less digits than its factorization.

4953991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6981.

The product of its digits is 43740, while the sum is 40.

The square root of 4953991 is about 2225.7562759655. The cubic root of 4953991 is about 170.4714824038.

The spelling of 4953991 in words is "four million, nine hundred fifty-three thousand, nine hundred ninety-one".