90620216 has 32 divisors (see below), whose sum is σ = 172368000. Its totient is φ = 44661216.

The previous prime is 90620203. The next prime is 90620219. The reversal of 90620216 is 61202609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90620219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252245 + ... + 252603.

It is an arithmetic number, because the mean of its divisors is an integer number (5386500).

Almost surely, 2^90620216 is an apocalyptic number.

It is an amenable number.

90620216 is a deficient number, since it is larger than the sum of its proper divisors (81747784).

90620216 is a wasteful number, since it uses less digits than its factorization.

90620216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 90620216 is about 9519.4651110238. The cubic root of 90620216 is about 449.1675408110.

The spelling of 90620216 in words is "ninety million, six hundred twenty thousand, two hundred sixteen".