90266446 has 4 divisors (see below), whose sum is σ = 135399672. Its totient is φ = 45133222.

The previous prime is 90266431. The next prime is 90266453. The reversal of 90266446 is 64466209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64466209 = 1559 ⋅41351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22566610 + ... + 22566613.

It is an arithmetic number, because the mean of its divisors is an integer number (33849918).

Almost surely, 2^90266446 is an apocalyptic number.

90266446 is a deficient number, since it is larger than the sum of its proper divisors (45133226).

90266446 is a wasteful number, since it uses less digits than its factorization.

90266446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45133225.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 90266446 is about 9500.8655395180. The cubic root of 90266446 is about 448.5822805699.

The spelling of 90266446 in words is "ninety million, two hundred sixty-six thousand, four hundred forty-six".