90388367 has 8 divisors (see below), whose sum is σ = 94746624. Its totient is φ = 86065848.

The previous prime is 90388349. The next prime is 90388369. The reversal of 90388367 is 76388309.

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 90388367 - 2¹⁶ = 90322831 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 (90388369) 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, 3683 + ... + 13940.

It is an arithmetic number, because the mean of its divisors is an integer number (11843328).

Almost surely, 2^90388367 is an apocalyptic number.

90388367 is a deficient number, since it is larger than the sum of its proper divisors (4358257).

90388367 is a wasteful number, since it uses less digits than its factorization.

90388367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17869.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 90388367 is about 9507.2796845365. The cubic root of 90388367 is about 448.7841532757.

The spelling of 90388367 in words is "ninety million, three hundred eighty-eight thousand, three hundred sixty-seven".