90820214 has 8 divisors (see below), whose sum is σ = 139398600. Its totient is φ = 44354016.

The previous prime is 90820201. The next prime is 90820229. The reversal of 90820214 is 41202809.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×90820214² = 16496622542011592, which contains 22 as substring.

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, 527939 + ... + 528110.

It is an arithmetic number, because the mean of its divisors is an integer number (17424825).

Almost surely, 2^90820214 is an apocalyptic number.

90820214 is a deficient number, since it is larger than the sum of its proper divisors (48578386).

90820214 is a wasteful number, since it uses less digits than its factorization.

90820214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056094.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 90820214 is about 9529.9640083266. The cubic root of 90820214 is about 449.4977342568.

The spelling of 90820214 in words is "ninety million, eight hundred twenty thousand, two hundred fourteen".