90943340 has 24 divisors (see below), whose sum is σ = 192380832. Its totient is φ = 36110720.

The previous prime is 90943331. The next prime is 90943343. The reversal of 90943340 is 4334909.

It is a junction number, because it is equal to n+sod(n) for n = 90943297 and 90943306.

It is not an unprimeable number, because it can be changed into a prime (90943343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13856 + ... + 19335.

It is an arithmetic number, because the mean of its divisors is an integer number (8015868).

Almost surely, 2^90943340 is an apocalyptic number.

It is an amenable number.

90943340 is an abundant number, since it is smaller than the sum of its proper divisors (101437492).

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

90943340 is a wasteful number, since it uses less digits than its factorization.

90943340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33337 (or 33335 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 90943340 is about 9536.4217608074. The cubic root of 90943340 is about 449.7007722659.

The spelling of 90943340 in words is "ninety million, nine hundred forty-three thousand, three hundred forty".