4997893 has 4 divisors (see below), whose sum is σ = 5260960. Its totient is φ = 4734828.

The previous prime is 4997891. The next prime is 4997899. The reversal of 4997893 is 3987994.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3987994 = 2 ⋅1993997.

It is a cyclic number.

It is not a de Polignac number, because 4997893 - 2¹ = 4997891 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4997891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131505 + ... + 131542.

It is an arithmetic number, because the mean of its divisors is an integer number (1315240).

Almost surely, 2^4997893 is an apocalyptic number.

It is an amenable number.

4997893 is a deficient number, since it is larger than the sum of its proper divisors (263067).

4997893 is a wasteful number, since it uses less digits than its factorization.

4997893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263066.

The product of its digits is 489888, while the sum is 49.

The square root of 4997893 is about 2235.5967883319. The cubic root of 4997893 is about 170.9735718308.

The spelling of 4997893 in words is "four million, nine hundred ninety-seven thousand, eight hundred ninety-three".