90832405 has 8 divisors (see below), whose sum is σ = 113738112. Its totient is φ = 69506448.

The previous prime is 90832403. The next prime is 90832429. The reversal of 90832405 is 50423809.

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 90832405 - 2¹ = 90832403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90832403) 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, 394809 + ... + 395038.

It is an arithmetic number, because the mean of its divisors is an integer number (14217264).

Almost surely, 2^90832405 is an apocalyptic number.

It is an amenable number.

90832405 is a deficient number, since it is larger than the sum of its proper divisors (22905707).

90832405 is a wasteful number, since it uses less digits than its factorization.

90832405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789875.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 90832405 is about 9530.6036010318. The cubic root of 90832405 is about 449.5178457183.

The spelling of 90832405 in words is "ninety million, eight hundred thirty-two thousand, four hundred five".