90582647 has 4 divisors (see below), whose sum is σ = 95911056. Its totient is φ = 85254240.

The previous prime is 90582599. The next prime is 90582649. The reversal of 90582647 is 74628509.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90582647 - 2¹⁶ = 90517111 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 (90582649) 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, 2664179 + ... + 2664212.

It is an arithmetic number, because the mean of its divisors is an integer number (23977764).

Almost surely, 2^90582647 is an apocalyptic number.

90582647 is a deficient number, since it is larger than the sum of its proper divisors (5328409).

90582647 is a wasteful number, since it uses less digits than its factorization.

90582647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5328408.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 90582647 is about 9517.4916338287. The cubic root of 90582647 is about 449.1054608154.

The spelling of 90582647 in words is "ninety million, five hundred eighty-two thousand, six hundred forty-seven".