4997391 has 8 divisors (see below), whose sum is σ = 7615104. Its totient is φ = 2855640.

The previous prime is 4997389. The next prime is 4997393. The reversal of 4997391 is 1937994.

It is an interprime number because it is at equal distance from previous prime (4997389) and next prime (4997393).

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

It is not a de Polignac number, because 4997391 - 2¹ = 4997389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4997393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118965 + ... + 119006.

It is an arithmetic number, because the mean of its divisors is an integer number (951888).

Almost surely, 2^4997391 is an apocalyptic number.

4997391 is a deficient number, since it is larger than the sum of its proper divisors (2617713).

4997391 is a wasteful number, since it uses less digits than its factorization.

4997391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237981.

The product of its digits is 61236, while the sum is 42.

The square root of 4997391 is about 2235.4845112414. The cubic root of 4997391 is about 170.9678473114.

The spelling of 4997391 in words is "four million, nine hundred ninety-seven thousand, three hundred ninety-one".