90381082 has 16 divisors (see below), whose sum is σ = 148757472. Its totient is φ = 40843120.

The previous prime is 90381029. The next prime is 90381091. The reversal of 90381082 is 28018309.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8068 + ... + 15679.

It is an arithmetic number, because the mean of its divisors is an integer number (9297342).

Almost surely, 2^90381082 is an apocalyptic number.

90381082 is a deficient number, since it is larger than the sum of its proper divisors (58376390).

90381082 is a wasteful number, since it uses less digits than its factorization.

90381082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23933.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 90381082 is about 9506.8965493477. The cubic root of 90381082 is about 448.7720961179.

The spelling of 90381082 in words is "ninety million, three hundred eighty-one thousand, eighty-two".