90488534 has 8 divisors (see below), whose sum is σ = 135961200. Its totient is φ = 45168136.

The previous prime is 90488533. The next prime is 90488539. The reversal of 90488534 is 43588409.

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

It is a junction number, because it is equal to n+sod(n) for n = 90488491 and 90488500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90488533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36569 + ... + 38964.

It is an arithmetic number, because the mean of its divisors is an integer number (16995150).

Almost surely, 2^90488534 is an apocalyptic number.

90488534 is a deficient number, since it is larger than the sum of its proper divisors (45472666).

90488534 is a wasteful number, since it uses less digits than its factorization.

90488534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76134.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 90488534 is about 9512.5461365504. The cubic root of 90488534 is about 448.9498706441.

The spelling of 90488534 in words is "ninety million, four hundred eighty-eight thousand, five hundred thirty-four".