4897138 has 4 divisors (see below), whose sum is σ = 7345710. Its totient is φ = 2448568.

The previous prime is 4897103. The next prime is 4897153. The reversal of 4897138 is 8317984.

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

It can be written as a sum of positive squares in only one way, i.e., 4092529 + 804609 = 2023^2 + 897^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 4897138.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1224283 + ... + 1224286.

Almost surely, 2^4897138 is an apocalyptic number.

4897138 is a deficient number, since it is larger than the sum of its proper divisors (2448572).

4897138 is a wasteful number, since it uses less digits than its factorization.

4897138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448571.

The product of its digits is 48384, while the sum is 40.

The square root of 4897138 is about 2212.9478077894. The cubic root of 4897138 is about 169.8168500433.

The spelling of 4897138 in words is "four million, eight hundred ninety-seven thousand, one hundred thirty-eight".