90442966 has 8 divisors (see below), whose sum is σ = 138973464. Its totient is φ = 44118480.

The previous prime is 90442949. The next prime is 90442981. The reversal of 90442966 is 66924409.

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, 551400 + ... + 551563.

It is an arithmetic number, because the mean of its divisors is an integer number (17371683).

Almost surely, 2^90442966 is an apocalyptic number.

90442966 is a deficient number, since it is larger than the sum of its proper divisors (48530498).

90442966 is a wasteful number, since it uses less digits than its factorization.

90442966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103006.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 90442966 is about 9510.1506822973. The cubic root of 90442966 is about 448.8744976225.

The spelling of 90442966 in words is "ninety million, four hundred forty-two thousand, nine hundred sixty-six".