4920890 has 16 divisors (see below), whose sum is σ = 9539208. Its totient is φ = 1816896.

The previous prime is 4920887. The next prime is 4920901. The reversal of 4920890 is 980294.

It can be written as a sum of positive squares in 4 ways, for example, as 1352569 + 3568321 = 1163^2 + 1889^2 .

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, 18797 + ... + 19056.

Almost surely, 2^4920890 is an apocalyptic number.

4920890 is a deficient number, since it is larger than the sum of its proper divisors (4618318).

4920890 is a wasteful number, since it uses less digits than its factorization.

4920890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37873.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 4920890 is about 2218.3079137036. The cubic root of 4920890 is about 170.0909547882.

The spelling of 4920890 in words is "four million, nine hundred twenty thousand, eight hundred ninety".