9021490 has 16 divisors (see below), whose sum is σ = 16292952. Its totient is φ = 3596544.

The previous prime is 9021457. The next prime is 9021511. The reversal of 9021490 is 941209.

It can be written as a sum of positive squares in 4 ways, for example, as 3418801 + 5602689 = 1849^2 + 2367^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2032 + ... + 4708.

Almost surely, 2^9021490 is an apocalyptic number.

9021490 is a deficient number, since it is larger than the sum of its proper divisors (7271462).

9021490 is a wasteful number, since it uses less digits than its factorization.

9021490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 9021490 is about 3003.5795311594. The cubic root of 9021490 is about 208.1738099711.

Adding to 9021490 its reverse (941209), we get a palindrome (9962699).

It can be divided in two parts, 902 and 1490, that multiplied together give a triangular number (1343980 = T₁₆₃₉).

The spelling of 9021490 in words is "nine million, twenty-one thousand, four hundred ninety".