4987090 has 16 divisors (see below), whose sum is σ = 9367488. Its totient is φ = 1908016.

The previous prime is 4987079. The next prime is 4987091. The reversal of 4987090 is 907894.

It is a happy number.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (4987091) 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, 10612 + ... + 11071.

It is an arithmetic number, because the mean of its divisors is an integer number (585468).

Almost surely, 2^4987090 is an apocalyptic number.

4987090 is a deficient number, since it is larger than the sum of its proper divisors (4380398).

4987090 is a wasteful number, since it uses less digits than its factorization.

4987090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21713.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 4987090 is about 2233.1793479253. The cubic root of 4987090 is about 170.8502958899.

The spelling of 4987090 in words is "four million, nine hundred eighty-seven thousand, ninety".