90258632 has 16 divisors (see below), whose sum is σ = 169589760. Its totient is φ = 45034704.

The previous prime is 90258631. The next prime is 90258653. The reversal of 90258632 is 23685209.

It is a super-3 number, since 3×90258632³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 90258592 and 90258601.

It is not an unprimeable number, because it can be changed into a prime (90258631) 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, 7688 + ... + 15479.

It is an arithmetic number, because the mean of its divisors is an integer number (10599360).

Almost surely, 2^90258632 is an apocalyptic number.

It is an amenable number.

90258632 is a deficient number, since it is larger than the sum of its proper divisors (79331128).

90258632 is a wasteful number, since it uses less digits than its factorization.

90258632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23660 (or 23656 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 90258632 is about 9500.4543049267. The cubic root of 90258632 is about 448.5693362137.

The spelling of 90258632 in words is "ninety million, two hundred fifty-eight thousand, six hundred thirty-two".