4288890 has 16 divisors (see below), whose sum is σ = 10293408. Its totient is φ = 1143696.

The previous prime is 4288883. The next prime is 4288901. The reversal of 4288890 is 988824.

It is a happy number.

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, 71452 + ... + 71511.

It is an arithmetic number, because the mean of its divisors is an integer number (643338).

Almost surely, 2^4288890 is an apocalyptic number.

4288890 is an abundant number, since it is smaller than the sum of its proper divisors (6004518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4288890 is a wasteful number, since it uses less digits than its factorization.

4288890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142973.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 4288890 is about 2070.9635438607. The cubic root of 4288890 is about 162.4731632210.

The spelling of 4288890 in words is "four million, two hundred eighty-eight thousand, eight hundred ninety".