90681926 has 8 divisors (see below), whose sum is σ = 139186344. Its totient is φ = 44286480.

The previous prime is 90681917. The next prime is 90681947. The reversal of 90681926 is 62918609.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527135 + ... + 527306.

It is an arithmetic number, because the mean of its divisors is an integer number (17398293).

Almost surely, 2^90681926 is an apocalyptic number.

90681926 is a deficient number, since it is larger than the sum of its proper divisors (48504418).

90681926 is a wasteful number, since it uses less digits than its factorization.

90681926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054486.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 90681926 is about 9522.7058129504. The cubic root of 90681926 is about 449.2694747972.

The spelling of 90681926 in words is "ninety million, six hundred eighty-one thousand, nine hundred twenty-six".