90869852 has 12 divisors (see below), whose sum is σ = 159095160. Its totient is φ = 45414096.

The previous prime is 90869843. The next prime is 90869881. The reversal of 90869852 is 25896809.

It is a junction number, because it is equal to n+sod(n) for n = 90869797 and 90869806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8783 + ... + 16089.

It is an arithmetic number, because the mean of its divisors is an integer number (13257930).

Almost surely, 2^90869852 is an apocalyptic number.

It is an amenable number.

90869852 is a deficient number, since it is larger than the sum of its proper divisors (68225308).

90869852 is a wasteful number, since it uses less digits than its factorization.

90869852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10420 (or 10418 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 90869852 is about 9532.5679646148. The cubic root of 90869852 is about 449.5796106874.

The spelling of 90869852 in words is "ninety million, eight hundred sixty-nine thousand, eight hundred fifty-two".