90796409 has 8 divisors (see below), whose sum is σ = 101728128. Its totient is φ = 80310960.

The previous prime is 90796403. The next prime is 90796429. The reversal of 90796409 is 90469709.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90796409 - 2¹⁶ = 90730873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90796409.

It is not an unprimeable number, because it can be changed into a prime (90796403) 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, 111137 + ... + 111950.

It is an arithmetic number, because the mean of its divisors is an integer number (12716016).

Almost surely, 2^90796409 is an apocalyptic number.

It is an amenable number.

90796409 is a deficient number, since it is larger than the sum of its proper divisors (10931719).

90796409 is a wasteful number, since it uses less digits than its factorization.

90796409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223135.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 90796409 is about 9528.7149710756. The cubic root of 90796409 is about 449.4584580204.

The spelling of 90796409 in words is "ninety million, seven hundred ninety-six thousand, four hundred nine".