4897997 has 4 divisors (see below), whose sum is σ = 5274780. Its totient is φ = 4521216.

The previous prime is 4897993. The next prime is 4898017. The reversal of 4897997 is 7997984.

4897997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 292681 + 4605316 = 541^2 + 2146^2 .

It is a cyclic number.

It is not a de Polignac number, because 4897997 - 2² = 4897993 is a prime.

It is a super-2 number, since 2×4897997² = 47980749224018, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4897993) 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 3 ways as a sum of consecutive naturals, for example, 188372 + ... + 188397.

It is an arithmetic number, because the mean of its divisors is an integer number (1318695).

Almost surely, 2^4897997 is an apocalyptic number.

It is an amenable number.

4897997 is a deficient number, since it is larger than the sum of its proper divisors (376783).

4897997 is a wasteful number, since it uses less digits than its factorization.

4897997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376782.

The product of its digits is 1143072, while the sum is 53.

The square root of 4897997 is about 2213.1418842903. The cubic root of 4897997 is about 169.8267785734.

The spelling of 4897997 in words is "four million, eight hundred ninety-seven thousand, nine hundred ninety-seven".