90206932 has 12 divisors (see below), whose sum is σ = 158006016. Its totient is φ = 45062360.

The previous prime is 90206911. The next prime is 90206933. The reversal of 90206932 is 23960209.

It is a junction number, because it is equal to n+sod(n) for n = 90206894 and 90206903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90206933) 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, 5044 + ... + 14347.

It is an arithmetic number, because the mean of its divisors is an integer number (13167168).

Almost surely, 2^90206932 is an apocalyptic number.

It is an amenable number.

90206932 is a deficient number, since it is larger than the sum of its proper divisors (67799084).

90206932 is a wasteful number, since it uses less digits than its factorization.

90206932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20558 (or 20556 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 90206932 is about 9497.7329926673. The cubic root of 90206932 is about 448.4836732564.

The spelling of 90206932 in words is "ninety million, two hundred six thousand, nine hundred thirty-two".