90002026 has 4 divisors (see below), whose sum is σ = 135003042. Its totient is φ = 45001012.

The previous prime is 90001999. The next prime is 90002041. The reversal of 90002026 is 62020009.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 89321401 + 680625 = 9451^2 + 825^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90001994 and 90002012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22500505 + ... + 22500508.

Almost surely, 2^90002026 is an apocalyptic number.

90002026 is a deficient number, since it is larger than the sum of its proper divisors (45001016).

90002026 is a wasteful number, since it uses less digits than its factorization.

90002026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45001015.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 90002026 is about 9486.9397594799. The cubic root of 90002026 is about 448.1438373438.

It can be divided in two parts, 9000 and 2026, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 90002026 in words is "ninety million, two thousand, twenty-six".