4995890 has 16 divisors (see below), whose sum is σ = 9046080. Its totient is φ = 1986480.

The previous prime is 4995889. The next prime is 4995911. The reversal of 4995890 is 985994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395 + ... + 3185.

It is an arithmetic number, because the mean of its divisors is an integer number (565380).

Almost surely, 2^4995890 is an apocalyptic number.

4995890 is a deficient number, since it is larger than the sum of its proper divisors (4050190).

4995890 is a wasteful number, since it uses less digits than its factorization.

4995890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 4995890 is about 2235.1487646240. The cubic root of 4995890 is about 170.9507284830.

It can be divided in two parts, 4995 and 890, that added together give a palindrome (5885).

The spelling of 4995890 in words is "four million, nine hundred ninety-five thousand, eight hundred ninety".