90467947 has 8 divisors (see below), whose sum is σ = 94510080. Its totient is φ = 86434920.

The previous prime is 90467933. The next prime is 90467957. The reversal of 90467947 is 74976409.

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

It is not a de Polignac number, because 90467947 - 2¹¹ = 90465899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90467897 and 90467906.

It is not an unprimeable number, because it can be changed into a prime (90467917) 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, 25254 + ... + 28612.

It is an arithmetic number, because the mean of its divisors is an integer number (11813760).

Almost surely, 2^90467947 is an apocalyptic number.

90467947 is a deficient number, since it is larger than the sum of its proper divisors (4042133).

90467947 is a wasteful number, since it uses less digits than its factorization.

90467947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 90467947 is about 9511.4639777481. The cubic root of 90467947 is about 448.9158212768.

The spelling of 90467947 in words is "ninety million, four hundred sixty-seven thousand, nine hundred forty-seven".