90405326 has 16 divisors (see below), whose sum is σ = 148083120. Its totient is φ = 41052480.

The previous prime is 90405323. The next prime is 90405347. The reversal of 90405326 is 62350409.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90405323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38210 + ... + 40506.

It is an arithmetic number, because the mean of its divisors is an integer number (9255195).

Almost surely, 2^90405326 is an apocalyptic number.

90405326 is a deficient number, since it is larger than the sum of its proper divisors (57677794).

90405326 is a wasteful number, since it uses less digits than its factorization.

90405326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 90405326 is about 9508.1715382086. The cubic root of 90405326 is about 448.8122190352.

The spelling of 90405326 in words is "ninety million, four hundred five thousand, three hundred twenty-six".