4878890 has 8 divisors (see below), whose sum is σ = 8782020. Its totient is φ = 1951552.

The previous prime is 4878889. The next prime is 4878893. The reversal of 4878890 is 988784.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4713241 + 165649 = 2171^2 + 407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4878893) 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, 243935 + ... + 243954.

Almost surely, 2^4878890 is an apocalyptic number.

4878890 is a deficient number, since it is larger than the sum of its proper divisors (3903130).

4878890 is a wasteful number, since it uses less digits than its factorization.

4878890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487896.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 4878890 is about 2208.8209524540. The cubic root of 4878890 is about 169.6056603739.

The spelling of 4878890 in words is "four million, eight hundred seventy-eight thousand, eight hundred ninety".