90091463 has 8 divisors (see below), whose sum is σ = 112321920. Its totient is φ = 70201080.

The previous prime is 90091459. The next prime is 90091471. The reversal of 90091463 is 36419009.

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 90091463 - 2² = 90091459 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 (90091163) 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, 584933 + ... + 585086.

It is an arithmetic number, because the mean of its divisors is an integer number (14040240).

Almost surely, 2^90091463 is an apocalyptic number.

90091463 is a deficient number, since it is larger than the sum of its proper divisors (22230457).

90091463 is a wasteful number, since it uses less digits than its factorization.

90091463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170037.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 90091463 is about 9491.6522797667. The cubic root of 90091463 is about 448.2922316750.

The spelling of 90091463 in words is "ninety million, ninety-one thousand, four hundred sixty-three".