906220 has 24 divisors (see below), whose sum is σ = 2175264. Its totient is φ = 310656.

The previous prime is 906211. The next prime is 906229. The reversal of 906220 is 22609.

It is an interprime number because it is at equal distance from previous prime (906211) and next prime (906229).

It is not an unprimeable number, because it can be changed into a prime (906229) by changing a digit.

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, 3097 + ... + 3376.

It is an arithmetic number, because the mean of its divisors is an integer number (90636).

2⁹⁰⁶²²⁰ is an apocalyptic number.

It is an amenable number.

906220 is an abundant number, since it is smaller than the sum of its proper divisors (1269044).

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

906220 is a wasteful number, since it uses less digits than its factorization.

906220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6489 (or 6487 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 906220 is about 951.9558813306. The cubic root of 906220 is about 96.7708481759.

Adding to 906220 its reverse (22609), we get a palindrome (928829).

The spelling of 906220 in words is "nine hundred six thousand, two hundred twenty".