4890399 has 4 divisors (see below), whose sum is σ = 6520536. Its totient is φ = 3260264.

The previous prime is 4890383. The next prime is 4890419. The reversal of 4890399 is 9930984.

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

It is a cyclic number.

It is not a de Polignac number, because 4890399 - 2⁴ = 4890383 is a prime.

It is a D-number.

4890399 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4890399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4890199) 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, 815064 + ... + 815069.

It is an arithmetic number, because the mean of its divisors is an integer number (1630134).

Almost surely, 2^4890399 is an apocalyptic number.

4890399 is a deficient number, since it is larger than the sum of its proper divisors (1630137).

4890399 is a wasteful number, since it uses less digits than its factorization.

4890399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630136.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 4890399 is about 2211.4246539279. The cubic root of 4890399 is about 169.7389187364.

The spelling of 4890399 in words is "four million, eight hundred ninety thousand, three hundred ninety-nine".