90631826 has 8 divisors (see below), whose sum is σ = 136985904. Its totient is φ = 44969860.

The previous prime is 90631823. The next prime is 90631841. The reversal of 90631826 is 62813609.

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

It is a super-3 number, since 3×90631826³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (90631823) 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, 172700 + ... + 173223.

It is an arithmetic number, because the mean of its divisors is an integer number (17123238).

Almost surely, 2^90631826 is an apocalyptic number.

90631826 is a deficient number, since it is larger than the sum of its proper divisors (46354078).

90631826 is a wasteful number, since it uses less digits than its factorization.

90631826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346056.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 90631826 is about 9520.0748946634. The cubic root of 90631826 is about 449.1867220073.

The spelling of 90631826 in words is "ninety million, six hundred thirty-one thousand, eight hundred twenty-six".