90353442 has 16 divisors (see below), whose sum is σ = 180800352. Its totient is φ = 30102240.

The previous prime is 90353441. The next prime is 90353443. The reversal of 90353442 is 24435309.

It is an interprime number because it is at equal distance from previous prime (90353441) and next prime (90353443).

It is not an unprimeable number, because it can be changed into a prime (90353441) by changing a digit.

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, 19318 + ... + 23534.

It is an arithmetic number, because the mean of its divisors is an integer number (11300022).

Almost surely, 2^90353442 is an apocalyptic number.

90353442 is an abundant number, since it is smaller than the sum of its proper divisors (90446910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90353442 is a wasteful number, since it uses less digits than its factorization.

90353442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7793.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 90353442 is about 9505.4427566526. The cubic root of 90353442 is about 448.7263441931.

It can be divided in two parts, 903 and 53442, that added together give a palindrome (54345).

The spelling of 90353442 in words is "ninety million, three hundred fifty-three thousand, four hundred forty-two".