90461487 has 8 divisors (see below), whose sum is σ = 121045680. Its totient is φ = 60092480.

The previous prime is 90461477. The next prime is 90461491. The reversal of 90461487 is 78416409.

It is a happy number.

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 90461487 - 2¹⁵ = 90428719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90461467) 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, 52812 + ... + 54497.

It is an arithmetic number, because the mean of its divisors is an integer number (15130710).

Almost surely, 2^90461487 is an apocalyptic number.

90461487 is a deficient number, since it is larger than the sum of its proper divisors (30584193).

90461487 is a wasteful number, since it uses less digits than its factorization.

90461487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107593.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 90461487 is about 9511.1243814809. The cubic root of 90461487 is about 448.9051358524.

The spelling of 90461487 in words is "ninety million, four hundred sixty-one thousand, four hundred eighty-seven".