4893121 has 4 divisors (see below), whose sum is σ = 4897732. Its totient is φ = 4888512.

The previous prime is 4893113. The next prime is 4893137. The reversal of 4893121 is 1213984.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2822400 + 2070721 = 1680^2 + 1439^2 .

It is a cyclic number.

It is not a de Polignac number, because 4893121 - 2³ = 4893113 is a prime.

It is a Duffinian number.

4893121 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4893121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4893101) 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, 181 + ... + 3133.

It is an arithmetic number, because the mean of its divisors is an integer number (1224433).

Almost surely, 2^4893121 is an apocalyptic number.

It is an amenable number.

4893121 is a deficient number, since it is larger than the sum of its proper divisors (4611).

4893121 is a wasteful number, since it uses less digits than its factorization.

4893121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610.

The product of its digits is 1728, while the sum is 28.

The square root of 4893121 is about 2212.0400086798. The cubic root of 4893121 is about 169.7704051681.

The spelling of 4893121 in words is "four million, eight hundred ninety-three thousand, one hundred twenty-one".