4550290 has 16 divisors (see below), whose sum is σ = 8223768. Its totient is φ = 1812736.

The previous prime is 4550281. The next prime is 4550317. The reversal of 4550290 is 920554.

It can be written as a sum of positive squares in 4 ways, for example, as 3798601 + 751689 = 1949^2 + 867^2 .

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, 2154 + ... + 3706.

Almost surely, 2^4550290 is an apocalyptic number.

4550290 is a deficient number, since it is larger than the sum of its proper divisors (3673478).

4550290 is a wasteful number, since it uses less digits than its factorization.

4550290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 4550290 is about 2133.1408767355. The cubic root of 4550290 is about 165.7091000444.

It can be divided in two parts, 4550 and 290, that multiplied together give a triangular number (1319500 = T₁₆₂₄).

The spelling of 4550290 in words is "four million, five hundred fifty thousand, two hundred ninety".