90061944 has 64 divisors (see below), whose sum is σ = 265635840. Its totient is φ = 24900480.

The previous prime is 90061943. The next prime is 90061963. The reversal of 90061944 is 44916009.

It is a super-3 number, since 3×90061944³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90061943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3439 + ... + 13854.

It is an arithmetic number, because the mean of its divisors is an integer number (4150560).

Almost surely, 2^90061944 is an apocalyptic number.

It is an amenable number.

90061944 is an abundant number, since it is smaller than the sum of its proper divisors (175573896).

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

90061944 is a wasteful number, since it uses less digits than its factorization.

90061944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17340 (or 17336 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 90061944 is about 9490.0971544026. The cubic root of 90061944 is about 448.2432644606.

The spelling of 90061944 in words is "ninety million, sixty-one thousand, nine hundred forty-four".