9026290 has 72 divisors (see below), whose sum is σ = 20653380. Its totient is φ = 2830464.

The previous prime is 9026287. The next prime is 9026309. The reversal of 9026290 is 926209.

It can be written as a sum of positive squares in 6 ways, for example, as 1535121 + 7491169 = 1239^2 + 2737^2 .

It is a super-2 number, since 2×9026290² = 162947822328200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 82756 + ... + 82864.

Almost surely, 2^9026290 is an apocalyptic number.

9026290 is an abundant number, since it is smaller than the sum of its proper divisors (11627090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9026290 is a wasteful number, since it uses less digits than its factorization.

9026290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 9026290 is about 3004.3784714979. The cubic root of 9026290 is about 208.2107239443.

It can be divided in two parts, 9026 and 290, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 9026290 in words is "nine million, twenty-six thousand, two hundred ninety".