90626442 has 8 divisors (see below), whose sum is σ = 181252896. Its totient is φ = 30208812.

The previous prime is 90626429. The next prime is 90626443. The reversal of 90626442 is 24462609.

It is a happy number.

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

90626442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (90626443) 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, 7552198 + ... + 7552209.

It is an arithmetic number, because the mean of its divisors is an integer number (22656612).

Almost surely, 2^90626442 is an apocalyptic number.

90626442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90626442 is a wasteful number, since it uses less digits than its factorization.

90626442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15104412.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 90626442 is about 9519.7921195791. The cubic root of 90626442 is about 449.1778271584.

The spelling of 90626442 in words is "ninety million, six hundred twenty-six thousand, four hundred forty-two".