90838651 has 8 divisors (see below), whose sum is σ = 92383200. Its totient is φ = 89305920.

The previous prime is 90838621. The next prime is 90838669. The reversal of 90838651 is 15683809.

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 90838651 - 2¹³ = 90830459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90838621) 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, 13290 + ... + 18928.

It is an arithmetic number, because the mean of its divisors is an integer number (11547900).

Almost surely, 2^90838651 is an apocalyptic number.

90838651 is a deficient number, since it is larger than the sum of its proper divisors (1544549).

90838651 is a wasteful number, since it uses less digits than its factorization.

90838651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 90838651 is about 9530.9312766382. The cubic root of 90838651 is about 449.5281490314.

The spelling of 90838651 in words is "ninety million, eight hundred thirty-eight thousand, six hundred fifty-one".