4897855 has 8 divisors (see below), whose sum is σ = 5889312. Its totient is φ = 3910368.

The previous prime is 4897847. The next prime is 4897859. The reversal of 4897855 is 5587984.

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 4897855 - 2³ = 4897847 is a prime.

It is a Duffinian number.

4897855 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4897859) 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, 4329 + ... + 5341.

It is an arithmetic number, because the mean of its divisors is an integer number (736164).

Almost surely, 2^4897855 is an apocalyptic number.

4897855 is a deficient number, since it is larger than the sum of its proper divisors (991457).

4897855 is a wasteful number, since it uses less digits than its factorization.

4897855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985.

The product of its digits is 403200, while the sum is 46.

The square root of 4897855 is about 2213.1098029696. The cubic root of 4897855 is about 169.8251373830.

It can be divided in two parts, 48 and 97855, that added together give a triangular number (97903 = T₄₄₂).

The spelling of 4897855 in words is "four million, eight hundred ninety-seven thousand, eight hundred fifty-five".