90340628 has 24 divisors (see below), whose sum is σ = 180897024. Its totient is φ = 38671200.

The previous prime is 90340577. The next prime is 90340633. The reversal of 90340628 is 82604309.

It is a super-2 number, since 2×90340628² = 16322858134868768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90340594 and 90340603.

It is a congruent number.

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, 33158 + ... + 35778.

It is an arithmetic number, because the mean of its divisors is an integer number (7537376).

Almost surely, 2^90340628 is an apocalyptic number.

It is an amenable number.

90340628 is an abundant number, since it is smaller than the sum of its proper divisors (90556396).

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

90340628 is a wasteful number, since it uses less digits than its factorization.

90340628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863 (or 3861 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 90340628 is about 9504.7686978695. The cubic root of 90340628 is about 448.7051302763.

The spelling of 90340628 in words is "ninety million, three hundred forty thousand, six hundred twenty-eight".